diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 24328ad626..ccf810ff96 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -615,6 +615,7 @@ VIR_ENUM_IMPL(virQEMUCaps,
               /* 390 */
               "vhost-user-blk",
               "cpu-max",
+              "memory-backend-file.x-use-canonical-path-for-ramblock-id",
     );
 
 
@@ -1683,6 +1684,11 @@ static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsMemoryBackendFile[] =
     { "discard-data", QEMU_CAPS_OBJECT_MEMORY_FILE_DISCARD },
     { "align", QEMU_CAPS_OBJECT_MEMORY_FILE_ALIGN },
     { "pmem", QEMU_CAPS_OBJECT_MEMORY_FILE_PMEM },
+    /* As of QEMU commit 8db0b20415c129cf5e577a593a4a0372d90b7cc9 the
+     * "x-use-canonical-path-for-ramblock-id" property is considered stable and
+     * supported. The 'x-' prefix was kept for compatibility with already
+     * released qemu versions. */
+    { "x-use-canonical-path-for-ramblock-id", QEMU_CAPS_X_USE_CANONICAL_PATH_FOR_RAMBLOCK_ID },
 };
 
 static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsMemoryBackendMemfd[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 79d443adfb..6fd7922926 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -595,6 +595,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     /* 390 */
     QEMU_CAPS_DEVICE_VHOST_USER_BLK, /* -device vhost-user-blk */
     QEMU_CAPS_CPU_MAX, /* -cpu max */
+    QEMU_CAPS_X_USE_CANONICAL_PATH_FOR_RAMBLOCK_ID, /* -object memory-backend-file,x-use-canonical-path-for-ramblock-id= */
 
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.aarch64.xml b/tests/qemucapabilitiesdata/caps_4.0.0.aarch64.xml
index c44d5c6ddf..8bf4283e5b 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.aarch64.xml
@@ -182,6 +182,7 @@
   <flag name='am53c974'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700240</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_4.0.0.ppc64.xml
index 7094752b29..f9bf0910a2 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.ppc64.xml
@@ -190,6 +190,7 @@
   <flag name='am53c974'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900240</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.riscv32.xml b/tests/qemucapabilitiesdata/caps_4.0.0.riscv32.xml
index de2b578b82..d56a19e6f9 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.riscv32.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.riscv32.xml
@@ -182,6 +182,7 @@
   <flag name='dc390'/>
   <flag name='am53c974'/>
   <flag name='vhost-user-blk'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.riscv64.xml b/tests/qemucapabilitiesdata/caps_4.0.0.riscv64.xml
index 754ad6db53..d35cb7e2ca 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.riscv64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.riscv64.xml
@@ -182,6 +182,7 @@
   <flag name='dc390'/>
   <flag name='am53c974'/>
   <flag name='vhost-user-blk'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.s390x.xml b/tests/qemucapabilitiesdata/caps_4.0.0.s390x.xml
index 8cc3a51eeb..4e1fdb7eda 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.s390x.xml
@@ -146,6 +146,7 @@
   <flag name='fsdev.createmode'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>39100240</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
index 23a150348d..df76bf3b46 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
@@ -227,6 +227,7 @@
   <flag name='am53c974'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100240</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
index 792ea9e9e9..026e5071a5 100644
--- a/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml
@@ -234,6 +234,7 @@
   <flag name='virtio-pmem-pci'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>4001000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100241</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.2.0.aarch64.xml b/tests/qemucapabilitiesdata/caps_4.2.0.aarch64.xml
index 20549834eb..57be989872 100644
--- a/tests/qemucapabilitiesdata/caps_4.2.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.2.0.aarch64.xml
@@ -195,6 +195,7 @@
   <flag name='am53c974'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>4001050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700242</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.2.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_4.2.0.ppc64.xml
index 58c73f0a98..53a1b9ed18 100644
--- a/tests/qemucapabilitiesdata/caps_4.2.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.2.0.ppc64.xml
@@ -196,6 +196,7 @@
   <flag name='am53c974'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>4001050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900242</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.2.0.s390x.xml b/tests/qemucapabilitiesdata/caps_4.2.0.s390x.xml
index 9bfdb2ce63..79a16221c1 100644
--- a/tests/qemucapabilitiesdata/caps_4.2.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_4.2.0.s390x.xml
@@ -157,6 +157,7 @@
   <flag name='fsdev.createmode'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>4002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>39100242</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_4.2.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_4.2.0.x86_64.xml
index 10dc5d562e..afd0f2254f 100644
--- a/tests/qemucapabilitiesdata/caps_4.2.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.2.0.x86_64.xml
@@ -243,6 +243,7 @@
   <flag name='virtio-pmem-pci'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>4002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100242</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml b/tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml
index 3e8c87ece3..964df1076b 100644
--- a/tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml
@@ -205,6 +205,7 @@
   <flag name='am53c974'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>5000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700241</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.0.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_5.0.0.ppc64.xml
index 49479c215f..7398751fd8 100644
--- a/tests/qemucapabilitiesdata/caps_5.0.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.0.0.ppc64.xml
@@ -214,6 +214,7 @@
   <flag name='am53c974'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>5000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900241</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.0.0.riscv64.xml b/tests/qemucapabilitiesdata/caps_5.0.0.riscv64.xml
index 496b75da20..7a27dd75d9 100644
--- a/tests/qemucapabilitiesdata/caps_5.0.0.riscv64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.0.0.riscv64.xml
@@ -200,6 +200,7 @@
   <flag name='dc390'/>
   <flag name='am53c974'/>
   <flag name='vhost-user-blk'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>5000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml
index 99155d9097..eb700b5415 100644
--- a/tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml
@@ -250,6 +250,7 @@
   <flag name='virtio-pmem-pci'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>5000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100241</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.1.0.sparc.xml b/tests/qemucapabilitiesdata/caps_5.1.0.sparc.xml
index a293437850..704ca704e0 100644
--- a/tests/qemucapabilitiesdata/caps_5.1.0.sparc.xml
+++ b/tests/qemucapabilitiesdata/caps_5.1.0.sparc.xml
@@ -115,6 +115,7 @@
   <flag name='netdev.vhost-vdpa'/>
   <flag name='fsdev.createmode'/>
   <flag name='ncr53c90'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>5001000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml
index 9e1fa172df..a7a9af5dc1 100644
--- a/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml
@@ -252,6 +252,7 @@
   <flag name='virtio-pmem-pci'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>5001000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100242</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.2.0.aarch64.xml b/tests/qemucapabilitiesdata/caps_5.2.0.aarch64.xml
index 1f015c2da1..dec6fd250a 100644
--- a/tests/qemucapabilitiesdata/caps_5.2.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.aarch64.xml
@@ -209,6 +209,7 @@
   <flag name='am53c974'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>5002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700243</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.2.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_5.2.0.ppc64.xml
index bc94e50e59..479bd90e37 100644
--- a/tests/qemucapabilitiesdata/caps_5.2.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.ppc64.xml
@@ -216,6 +216,7 @@
   <flag name='am53c974'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>5002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900243</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.2.0.riscv64.xml b/tests/qemucapabilitiesdata/caps_5.2.0.riscv64.xml
index 0457018c93..9eaccb2089 100644
--- a/tests/qemucapabilitiesdata/caps_5.2.0.riscv64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.riscv64.xml
@@ -202,6 +202,7 @@
   <flag name='dc390'/>
   <flag name='am53c974'/>
   <flag name='vhost-user-blk'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>5002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.2.0.s390x.xml b/tests/qemucapabilitiesdata/caps_5.2.0.s390x.xml
index 8ca989facb..cdcd5cac57 100644
--- a/tests/qemucapabilitiesdata/caps_5.2.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.s390x.xml
@@ -164,6 +164,7 @@
   <flag name='fsdev.createmode'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>5002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>39100243</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml
index c85362e1db..5643d3b713 100644
--- a/tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml
@@ -253,6 +253,7 @@
   <flag name='virtio-pmem-pci'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>5002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100243</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_6.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_6.0.0.x86_64.xml
index c23b05ac70..ddfa701798 100644
--- a/tests/qemucapabilitiesdata/caps_6.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.0.0.x86_64.xml
@@ -254,6 +254,7 @@
   <flag name='vhost-user-fs.bootindex'/>
   <flag name='vhost-user-blk'/>
   <flag name='cpu-max'/>
+  <flag name='memory-backend-file.x-use-canonical-path-for-ramblock-id'/>
   <version>5002050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100242</microcodeVersion>