@@ -36,10 +36,13 @@
  * @class OFRunLoop OFRunLoop.h ObjFW/OFRunLoop.h
  *
  * @brief A class providing a run loop for the application and its processes.
  */
 @interface OFRunLoop: OFObject
+#ifdef OF_HAVE_SOCKETS
+    <OFKernelEventObserverDelegate>
+#endif
 {
 	OFSortedList *_timersQueue;
 #ifdef OF_HAVE_THREADS
 	OFMutex *_timersQueueLock;
 #endif