diff --git a/release.sh b/release.sh
index 6343cb1d5..08065e5cf 100755
--- a/release.sh
+++ b/release.sh
@@ -39,5 +39,5 @@ git tag -s -m "Version $1" "caddy/v$1"
 git push --follow-tags
 
 if [ "$(uname -s)" = "Darwin" ]; then
-    FRANKENPHP_VERSION=$1 RELEASE=1 ./build-static.sh
+    FRANKENPHP_VERSION=v$1 RELEASE=1 ./build-static.sh
 fi