Index: ext/ae/enet/unix.c
--- ext/ae/enet/unix.c.orig
+++ ext/ae/enet/unix.c
@@ -18,7 +18,7 @@
 #define ENET_BUILDING_LIB 1
 #include "enet/enet.h"
 
-#ifdef __APPLE__
+#ifdef __OpenBSD__
 #ifdef HAS_POLL
 #undef HAS_POLL
 #endif
