@@ -95,11 +95,11 @@
 
 	memset(&event, 0, sizeof(event));
 	event.ident = [object fileDescriptorForReading];
 	event.filter = EVFILT_READ;
 	event.flags = EV_ADD;
-#ifndef __NetBSD__
+#ifndef OF_NETBSD
 	event.udata = object;
 #else
 	event.udata = (intptr_t)object;
 #endif
 
@@ -115,11 +115,11 @@
 
 	memset(&event, 0, sizeof(event));
 	event.ident = [object fileDescriptorForWriting];
 	event.filter = EVFILT_WRITE;
 	event.flags = EV_ADD;
-#ifndef __NetBSD__
+#ifndef OF_NETBSD
 	event.udata = object;
 #else
 	event.udata = (intptr_t)object;
 #endif