Index: src/OFKernelEventObserver_epoll.m
==================================================================
--- src/OFKernelEventObserver_epoll.m
+++ src/OFKernelEventObserver_epoll.m
@@ -198,11 +198,11 @@
 
 	events = epoll_wait(_epfd, eventList, EVENTLIST_SIZE,
 	    (timeInterval != -1 ? timeInterval * 1000 : -1));
 
 	if (events < 0)
-		return [OFObserveFailedException exceptionWithObserver: self
+		@throw [OFObserveFailedException exceptionWithObserver: self
 								 errNo: errno];
 
 	for (i = 0; i < events; i++) {
 		if (eventList[i].data.ptr == nullObject) {
 			char buffer;