diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 65c3394d99..25b7f03204 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -7088,6 +7088,7 @@ qemuDomainSnapshotDiscard(virQEMUDriver *driver,
 
     if (!metadata_only) {
         if (!virDomainObjIsActive(vm)) {
+            size_t i;
             /* Ignore any skipped disks */
 
             /* Prefer action on the disks in use at the time the snapshot was
@@ -7098,6 +7099,11 @@ qemuDomainSnapshotDiscard(virQEMUDriver *driver,
             if (!def)
                 def = vm->def;
 
+            for (i = 0; i < def->ndisks; i++) {
+                if (virDomainDiskTranslateSourcePool(def->disks[i]) < 0)
+                    return -1;
+            }
+
             if (qemuDomainSnapshotForEachQcow2(driver, def, snap, "-d", true) < 0)
                 return -1;
         } else {
diff --git a/src/qemu/qemu_snapshot.c b/src/qemu/qemu_snapshot.c
index 4e74ddd7f8..fa1f9ce973 100644
--- a/src/qemu/qemu_snapshot.c
+++ b/src/qemu/qemu_snapshot.c
@@ -1813,6 +1813,8 @@ qemuSnapshotRevertInactive(virQEMUDriver *driver,
                            virDomainObj *vm,
                            virDomainMomentObj *snap)
 {
+    size_t i;
+
     /* Prefer action on the disks in use at the time the snapshot was
      * created; but fall back to current definition if dealing with a
      * snapshot created prior to libvirt 0.9.5.  */
@@ -1821,6 +1823,11 @@ qemuSnapshotRevertInactive(virQEMUDriver *driver,
     if (!def)
         def = vm->def;
 
+    for (i = 0; i < def->ndisks; i++) {
+        if (virDomainDiskTranslateSourcePool(def->disks[i]) < 0)
+            return -1;
+    }
+
     /* Try all disks, but report failure if we skipped any.  */
     if (qemuDomainSnapshotForEachQcow2(driver, def, snap, "-a", true) != 0)
         return -1;