diff --git a/gst/videomixer/videomixer2.c b/gst/videomixer/videomixer2.c
index c6bddbe72f..22ae3952d9 100644
--- a/gst/videomixer/videomixer2.c
+++ b/gst/videomixer/videomixer2.c
@@ -770,6 +770,7 @@ gst_videomixer2_fill_queues (GstVideoMixer2 * mix,
       } else if (start_time >= output_end_time) {
         GST_DEBUG_OBJECT (pad, "Keeping buffer until %" GST_TIME_FORMAT,
             GST_TIME_ARGS (start_time));
+        gst_buffer_unref (buf);
         eos = FALSE;
       } else {
         GST_DEBUG_OBJECT (pad, "Too old buffer -- dropping");