diff --git a/gst/isomp4/gstqtmux.c b/gst/isomp4/gstqtmux.c
index 9a6cd7b..195fa2f 100644
--- a/gst/isomp4/gstqtmux.c
+++ b/gst/isomp4/gstqtmux.c
@@ -4857,6 +4857,7 @@
         "pad %s accepted renegotiation to %" GST_PTR_FORMAT " from %"
         GST_PTR_FORMAT, GST_PAD_NAME (pad), caps, current_caps);
     gst_caps_unref (current_caps);
+    gst_object_unref (qtmux);
 
     return TRUE;
   }
@@ -5233,6 +5234,7 @@
         "pad %s accepted renegotiation to %" GST_PTR_FORMAT " from %"
         GST_PTR_FORMAT, GST_PAD_NAME (pad), caps, current_caps);
     gst_caps_unref (current_caps);
+    gst_object_unref (qtmux);
 
     return TRUE;
   }
@@ -5775,6 +5777,7 @@
         "pad %s accepted renegotiation to %" GST_PTR_FORMAT " from %"
         GST_PTR_FORMAT, GST_PAD_NAME (pad), caps, current_caps);
     gst_caps_unref (current_caps);
+    gst_object_unref (qtmux);
 
     return TRUE;
   }