1 files changed, 3 insertions, 2 deletions
diff --git a/feature.h b/feature.h
index ca44a23fd3..ac9a0dde24 100644
--- a/feature.h
+++ b/feature.h
@@ -63,8 +63,9 @@
 
 #define FEATURE_ISA_IS_ENABLED \
     ( \
-	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
-	 FEATURE_IS_ENABLED_MASK(FEATURE_ISA_BIT) \
+	CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_535 \
+     || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \
+	 FEATURE_IS_ENABLED_MASK(FEATURE_ISA_BIT)) \
     )
 
 #define FEATURE_SAY_IS_ENABLED \