diff --git a/block.c b/block.c
index 79ad33d0f9e9a726a2a71ffb9ca3e86144675197..b88ad2fa04ea84c09f9f40d5bc2e10caa477faf6 100644
--- a/block.c
+++ b/block.c
@@ -1291,8 +1291,8 @@ int bdrv_reopen_prepare(BDRVReopenState *reopen_state, BlockReopenQueue *queue,
             if (local_err != NULL) {
                 error_propagate(errp, local_err);
             } else {
-                error_set(errp, QERR_OPEN_FILE_FAILED,
-                          reopen_state->bs->filename);
+                error_setg(errp, "failed while preparing to reopen image '%s'",
+                           reopen_state->bs->filename);
             }
             goto error;
         }