diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index bbdab8b..4c4fcd9 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -12,7 +12,7 @@ jobs:
   build-app:
     runs-on: docker1
     outputs:
-      image_prefix: ${{ steps.prefix.outputs.image_prefix }}
+      IMAGE_PREFIX: ${{ steps.prefix.outputs.IMAGE_PREFIX }}
     defaults:
       run:
         shell: sh