@@ -41,7 +41,7 @@
#ifndef NO_TCP_DEFER_ACCEPT
#ifdef __OS_linux
#define HAVE_TCP_DEFER_ACCEPT
-#elif define __OS_freebsd
+#elif defined __OS_freebsd
#define HAVE_TCP_ACCEPT_FILTER
#endif /* __OS_ */
#endif /* NO_TCP_DEFER_ACCEPT */