diff --git a/Source/OBS.h b/Source/OBS.h
index 8a4c65a4..5edf0e02 100644
--- a/Source/OBS.h
+++ b/Source/OBS.h
@@ -1134,7 +1134,7 @@ public:
 
     char* EncMetaData(char *enc, char *pend, bool bFLVFile=false);
 
-    inline void PostStopMessage() {if(hwndMain) PostMessage(hwndMain, OBS_REQUESTSTOP, 0, 0);}
+    inline void PostStopMessage(bool forceStop=false) {if(hwndMain) PostMessage(hwndMain, OBS_REQUESTSTOP, forceStop ? 1 : 0, 0);}
     inline void NetworkFailed() { if (hwndMain) PostMessage(hwndMain, OBS_NETWORK_FAILED, 0, 0); }
 
     void GetBaseSize(UINT &width, UINT &height) const;