diff --git a/upgrade.sh b/upgrade.sh
index ab9cac4..0b25d68 100755
--- a/upgrade.sh
+++ b/upgrade.sh
@@ -54,7 +54,7 @@ function check() {
 
 function upgrade() {
     set -ex
-    su - gitea -c "WORKDIR=$WORKDIR $BINDIR/gitea-$VERSION-linux-amd64 --config /etc/gitea/gitea.ini migrate"
+    su - gitea -c "$BINDIR/gitea-$VERSION-linux-amd64 --config /etc/gitea/gitea.ini --work-path $WORKDIR migrate"
     ln --force $BINDIR/gitea-$VERSION-linux-amd64 $BINDIR/gitea
     set +x
 }