diff --git a/vrplayer/ourinterface.cpp b/vrplayer/ourinterface.cpp
index 261ba04d..ba83107a 100644
--- a/vrplayer/ourinterface.cpp
+++ b/vrplayer/ourinterface.cpp
@@ -11,6 +11,7 @@ OurInterface::OurInterface(QObject *parent) :
     savedGeometry.setHeight(0);
     stream_id = 101;
     demuxMedia = 0;
+    demuxMediaThread = NULL;
     //elapsedTime = 0;
 }