diff --git a/yoga/YGMacros.h b/yoga/YGMacros.h
index a2b6d60e..1638a30f 100644
--- a/yoga/YGMacros.h
+++ b/yoga/YGMacros.h
@@ -49,7 +49,7 @@
 #define YG_ENUM_END(name)
 #else
 #define YG_ENUM_BEGIN(name) enum name
-#define YG_ENUM_END(name) name
+#define YG_ENUM_END(name) __attribute__((enum_extensibility(closed))) name
 #endif
 
 #ifdef __cplusplus