Index: src/OFRunLoop.h
==================================================================
--- src/OFRunLoop.h
+++ src/OFRunLoop.h
@@ -35,11 +35,11 @@
 #ifdef OF_HAVE_THREADS
 	OFMutex *timersQueueLock;
 #endif
 	OFStreamObserver *streamObserver;
 	OFMutableDictionary *readQueues;
-	BOOL running;
+	volatile BOOL running;
 }
 
 /*!
  * @brief Returns the main run loop.
  *