diff --git a/Timeline/Timeline.C b/Timeline/Timeline.C
index 759fc0d..a39c050 100644
--- a/Timeline/Timeline.C
+++ b/Timeline/Timeline.C
@@ -1019,6 +1019,8 @@ Timeline::seek_pending ( void )
         if ( t->playback_ds )
             r += t->playback_ds->buffer_percent() < 50;
     }
+
+    return r;
 }