Index: src/OFStreamObserver.m
==================================================================
--- src/OFStreamObserver.m
+++ src/OFStreamObserver.m
@@ -376,12 +376,14 @@
 
 #ifdef OF_HAVE_POLL
 	fds_c = [fds cArray];
 	nfds = [fds count];
 
+# ifdef OPEN_MAX
 	if (nfds > OPEN_MAX)
 		@throw [OFOutOfRangeException newWithClass: isa];
+# endif
 
 	if (poll(fds_c, (nfds_t)nfds, timeout) < 1)
 		return NO;
 
 	for (i = 0; i < nfds; i++) {