diff --git a/src/include/word.h b/src/include/word.h
index 5a24892..6c60ed8 100644
--- a/src/include/word.h
+++ b/src/include/word.h
@@ -27,7 +27,7 @@
 #endif
 
 #if ((__SIZEOF_INT128__ == 16 \
-        || 10*__clang_major__ + __clang_minor <= 32) \
+        || 10*__clang_major__ + __clang_minor__ <= 32) \
         && __SIZEOF_SIZE_T__ == 8 \
         && (__SIZEOF_LONG__==8 || __POINTER_WIDTH__==64) \
         && !defined(GOLDI_FORCE_32_BIT))