--- tumbler-0.1.25.orig/plugins/gst-thumbnailer/gst-thumbnailer.c
+++ tumbler-0.1.25/plugins/gst-thumbnailer/gst-thumbnailer.c
@@ -233,6 +233,7 @@ make_pipeline (TumblerFileInfo *info,
   if (state == GST_STATE_CHANGE_FAILURE || state == GST_STATE_CHANGE_ASYNC)
     {
       LOG ("failed to or still changing state, aborting (state change %d)", state);
+      gst_element_set_state (playbin, GST_STATE_NULL);
       g_object_unref (playbin);
       return NULL;
     }
@@ -241,6 +242,7 @@ make_pipeline (TumblerFileInfo *info,
   if (n_video == 0)
     {
       LOG ("no video stream, aborting");
+      gst_element_set_state (playbin, GST_STATE_NULL);
       g_object_unref (playbin);
       return NULL;
     }