diff --git a/include/platform.h b/include/platform.h
index 0fa9f6182..cfc802907 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -434,7 +434,7 @@ typedef unsigned smalluint;
 # undef HAVE_UNLOCKED_LINE_OPS
 #endif
 
-#if defined(__FreeBSD__)
+#if defined(__FreeBSD__) || defined(__APPLE__)
 # undef HAVE_STRCHRNUL
 #endif