diff --git a/genex/expand-pintype b/genex/expand-pintype
index 84557a8..4e10cd6 100755
--- a/genex/expand-pintype
+++ b/genex/expand-pintype
@@ -50,7 +50,7 @@ if (@ARGV < 2) {
 while (<>) {
 	if ($out) {
 	# make name differ so that KiCad's cache doesn't get confused
-		s/^DEF\s+/$&X/;
+		s/^DEF\s+~?/$&X/;
 		s/^F1\s+"+/$&X/;
 		print FILE || die;
 	}