diff --git a/redo/zregen.sh b/redo/zregen.sh
index 6a69338..790d6ff 100755
--- a/redo/zregen.sh
+++ b/redo/zregen.sh
@@ -1,2 +1 @@
-go run zwinconstgen.go . 386
-go run zwinconstgen.go . amd64
+go run zwinconstgen.go . 386 "$@" && go run zwinconstgen.go . amd64 "$@"