diff --git a/src/remote-viewer.c b/src/remote-viewer.c
index 15d576b..7e8bcc8 100644
--- a/src/remote-viewer.c
+++ b/src/remote-viewer.c
@@ -1097,7 +1097,9 @@ cleanup:
     g_clear_object(&file);
     g_clear_object(&vvfile);
     g_free(guri);
+    guri = NULL;
     g_free(type);
+    type = NULL;
 
     if (!ret && priv->open_recent_dialog) {
         goto retry_dialog;