diff --git a/ext/srtp/gstsrtpdec.c b/ext/srtp/gstsrtpdec.c
index da320c9c0c..29ee9acd57 100644
--- a/ext/srtp/gstsrtpdec.c
+++ b/ext/srtp/gstsrtpdec.c
@@ -797,6 +797,7 @@ gst_srtp_dec_sink_query (GstPad * pad, GstObject * parent, GstQuery * query,
       }
 
       gst_query_set_caps_result (query, ret);
+      gst_caps_unref (ret);
       return TRUE;
 
     return_template: