diff --git a/postdeploy.sh b/postdeploy.sh
index c716997..62ad49d 100755
--- a/postdeploy.sh
+++ b/postdeploy.sh
@@ -27,7 +27,7 @@ setup_letsencrypt_certs() {
 
     if [ -d "/home/dokku/gitea/letsencrypt" ]; then
       echo "=====> Generating let's encrypt certificates"
-      dokku letsencrypt gitea
+      dokku letsencrypt "$APP"
     fi
 }