diff --git a/plugins/elements/gstinputselector.c b/plugins/elements/gstinputselector.c
index e71e19c74f..ba675faeb5 100644
--- a/plugins/elements/gstinputselector.c
+++ b/plugins/elements/gstinputselector.c
@@ -806,6 +806,8 @@ gst_input_selector_cleanup_old_cached_buffers (GstInputSelector * sel,
         cur_running_time -= base_time;
       else
         cur_running_time = 0;
+
+      gst_object_unref (clock);
     }
   } else {
     GstPad *active_sinkpad;