diff --git a/Modules/makesetup b/Modules/makesetup
index 23f778d..40dfa9d 100755
--- a/Modules/makesetup
+++ b/Modules/makesetup
@@ -219,7 +219,7 @@
 			case $doconfig in
 			no)	cc="$cc \$(CCSHARED) \$(CFLAGS) \$(CPPFLAGS)";;
 			*)
-				cc="$cc \$(PY_CFLAGS)";;
+				cc="$cc \$(PY_CORE_CFLAGS)";;
 			esac
 			rule="$obj: $src; $cc $cpps -c $src -o $obj"
 			echo "$rule" >>$rulesf