diff --git a/dlls/winegstreamer/gstdemux.c b/dlls/winegstreamer/gstdemux.c
index 2c9aafd7a6b..724ac8fd25f 100644
--- a/dlls/winegstreamer/gstdemux.c
+++ b/dlls/winegstreamer/gstdemux.c
@@ -1280,6 +1280,7 @@ static GstBusSyncReply watch_bus(GstBus *bus, GstMessage *msg, gpointer data)
     default:
         break;
     }
+    gst_message_unref(msg);
     return GST_BUS_DROP;
 }