diff --git a/.gitea/workflows/render-manifests.yaml b/.gitea/workflows/render-manifests.yaml
index 7e41d7567..a24108ffc 100644
--- a/.gitea/workflows/render-manifests.yaml
+++ b/.gitea/workflows/render-manifests.yaml
@@ -64,7 +64,7 @@ jobs:
         run: |
           cd ${MAIN_DIR}
 
-          GIT_DIFF=$(git diff --name-only @{u}@{1}..@{u} | xargs -I {} dirname {} | sort -u)
+          GIT_DIFF=$(git diff --name-only ${{ gitea.event.before }}..HEAD | xargs -I {} dirname {} | sort -u)
           CHANGED_DIR=()
 
           echo ">> Checking for changes .."