1 files changed, 1 insertions, 1 deletions
diff --git a/feature.h b/feature.h
index 03468f27c0..0b5f85c2bc 100644
--- a/feature.h
+++ b/feature.h
@@ -13,7 +13,7 @@
 #define FEATURE_BUNDLE_510	1
 #define FEATURE_BUNDLE_511	2
 #define FEATURE_BUNDLE_515	3
-#define FEATURE_BUNDLE_CUSTOM	HINT_FEATURE_MASK >> HINT_FEATURE_SHIFT
+#define FEATURE_BUNDLE_CUSTOM	(HINT_FEATURE_MASK >> HINT_FEATURE_SHIFT)
 
 #endif /* PERL_CORE or PERL_EXT */