diff --git a/tests/qemu-iotests/085 b/tests/qemu-iotests/085
index 80e547d..aa77eca 100755
--- a/tests/qemu-iotests/085
+++ b/tests/qemu-iotests/085
@@ -103,7 +103,8 @@
            { 'options':
              { 'driver': 'qcow2', 'node-name': 'snap_${1}', ${extra_params}
                'file':
-               { 'driver': 'file', 'filename': '${snapshot_file}' } } } }"
+               { 'driver': 'file', 'filename': '${snapshot_file}',
+                 'node-name': 'file_${1}' } } } }"
     _send_qemu_cmd $h "${cmd}" "return"
 }
 
@@ -187,6 +188,15 @@
 blockdev_snapshot ${SNAPSHOTS}
 
 echo
+echo === Invalid command - cannot create a snapshot using a file BDS ===
+echo
+
+_send_qemu_cmd $h "{ 'execute': 'blockdev-snapshot',
+                     'arguments': { 'node':'virtio0',
+                                    'overlay':'file_${SNAPSHOTS}' }
+                   }" "error"
+
+echo
 echo === Invalid command - snapshot node used as active layer ===
 echo
 
diff --git a/tests/qemu-iotests/085.out b/tests/qemu-iotests/085.out
index 52292ea..01c78d6 100644
--- a/tests/qemu-iotests/085.out
+++ b/tests/qemu-iotests/085.out
@@ -62,6 +62,10 @@
 {"return": {}}
 {"return": {}}
 
+=== Invalid command - cannot create a snapshot using a file BDS ===
+
+{"error": {"class": "GenericError", "desc": "The snapshot does not support backing images"}}
+
 === Invalid command - snapshot node used as active layer ===
 
 {"error": {"class": "GenericError", "desc": "The snapshot is already in use by virtio0"}}