diff --git a/builder.sh b/builder.sh
index 185ac8a..315e0d3 100644
--- a/builder.sh
+++ b/builder.sh
@@ -3,8 +3,11 @@
 NAME=$(grep "name" package.json | grep -oP '(?<=: ")[^"]+')
 VERSION=$(grep "version" package.json | grep -oP '(?<=: ")[^"]+')
 BROWSERS=("chrome" "firefox")
+SCRIPT_DIR=$(dirname "$(realpath "$0")")
 
 for BROWSER in "${BROWSERS[@]}"; do
+	FILENAME="$NAME-$BROWSER@v$VERSION.zip"
 	pnpm build:$BROWSER
-	python -m zipfile -c releases/$NAME-$BROWSER@v$VERSION /dist
+	python -m zipfile --create "$SCRIPT_DIR/releases/$FILENAME" "$SCRIPT_DIR/dist"
+	python -m zipfile --test "$SCRIPT_DIR/releases/$FILENAME"
 done