diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 4596f6cd15..100338ea1c 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -3588,7 +3588,9 @@ virQEMUCapsCacheLookup(virQEMUCapsCachePtr cache, const char *binary)
 
 
 virQEMUCapsPtr
-virQEMUCapsCacheLookupCopy(virQEMUCapsCachePtr cache, const char *binary)
+virQEMUCapsCacheLookupCopy(virQEMUCapsCachePtr cache,
+                           const char *binary,
+                           const char *machineType ATTRIBUTE_UNUSED)
 {
     virQEMUCapsPtr qemuCaps = virQEMUCapsCacheLookup(cache, binary);
     virQEMUCapsPtr ret;
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 1c1227abb0..242a33d6cc 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -291,7 +291,8 @@ virQEMUCapsCachePtr virQEMUCapsCacheNew(const char *libDir,
 virQEMUCapsPtr virQEMUCapsCacheLookup(virQEMUCapsCachePtr cache,
                                       const char *binary);
 virQEMUCapsPtr virQEMUCapsCacheLookupCopy(virQEMUCapsCachePtr cache,
-                                          const char *binary);
+                                          const char *binary,
+                                          const char *machineType);
 virQEMUCapsPtr virQEMUCapsCacheLookupByArch(virQEMUCapsCachePtr cache,
                                             virArch arch);
 void virQEMUCapsCacheFree(virQEMUCapsCachePtr cache);
diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index 14a4ec67a3..20e40aa37a 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -2915,7 +2915,8 @@ qemuMigrationPrepareAny(virQEMUDriverPtr driver,
             hostIPv6Capable = true;
         }
         if (!(qemuCaps = virQEMUCapsCacheLookupCopy(driver->qemuCapsCache,
-                                                    (*def)->emulator)))
+                                                    (*def)->emulator,
+                                                    (*def)->os.machine)))
             goto cleanup;
 
         qemuIPv6Capable = virQEMUCapsGet(qemuCaps, QEMU_CAPS_IPV6_MIGRATION);
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index ca1d51909e..ee0495e6d8 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -3834,7 +3834,8 @@ qemuProcessReconnect(void *opaque)
      */
     if (!priv->qemuCaps &&
         !(priv->qemuCaps = virQEMUCapsCacheLookupCopy(driver->qemuCapsCache,
-                                                      obj->def->emulator)))
+                                                      obj->def->emulator,
+                                                      obj->def->os.machine)))
         goto error;
 
     /* In case the domain shutdown while we were not running,
@@ -4466,7 +4467,8 @@ int qemuProcessStart(virConnectPtr conn,
     VIR_DEBUG("Determining emulator version");
     virObjectUnref(priv->qemuCaps);
     if (!(priv->qemuCaps = virQEMUCapsCacheLookupCopy(driver->qemuCapsCache,
-                                                      vm->def->emulator)))
+                                                      vm->def->emulator,
+                                                      vm->def->os.machine)))
         goto cleanup;
 
     /* network devices must be "prepared" before hostdevs, because
@@ -5510,7 +5512,8 @@ int qemuProcessAttach(virConnectPtr conn ATTRIBUTE_UNUSED,
     VIR_DEBUG("Determining emulator version");
     virObjectUnref(priv->qemuCaps);
     if (!(priv->qemuCaps = virQEMUCapsCacheLookupCopy(driver->qemuCapsCache,
-                                                      vm->def->emulator)))
+                                                      vm->def->emulator,
+                                                      vm->def->os.machine)))
         goto error;
 
     VIR_DEBUG("Preparing monitor state");