diff --git a/xup/xup.c b/xup/xup.c
index c93fa799..b4a5df1e 100644
--- a/xup/xup.c
+++ b/xup/xup.c
@@ -1236,7 +1236,7 @@ process_server_paint_rect_shmem_ex(struct mod *amod, struct stream *s)
     g_free(lcrects);
     g_free(ldrects);
 
-    return 0;
+    return rv;
 }
 
 /******************************************************************************/