diff --git a/src/qemu/qemu_backup.c b/src/qemu/qemu_backup.c
index b2340eb1cf..c444f8aaba 100644
--- a/src/qemu/qemu_backup.c
+++ b/src/qemu/qemu_backup.c
@@ -235,7 +235,7 @@ qemuBackupDiskPrepareOneBitmaps(struct qemuBackupDiskData *dd,
                                                  blockNamedNodeData) < 0)
             return -1;
 
-        dd->domdiskIncrementalBitmap = dd->backupdisk->incremental;
+        dd->domdiskIncrementalBitmap = dd->incrementalBitmap;
     }
 
     return 0;