diff --git a/.gitea/workflows/pr-docker-deploy.yml b/.gitea/workflows/pr-docker-deploy.yml
index 7c03719..787d187 100644
--- a/.gitea/workflows/pr-docker-deploy.yml
+++ b/.gitea/workflows/pr-docker-deploy.yml
@@ -156,6 +156,12 @@ jobs:
           echo "Detected service changes:"
           cat service_changes.txt
 
+          if [[ -z service_changes.txt ]]; then
+            echo "watchtower" > service_changes.txt
+            echo "Placeholder:"
+            cat service_changes.txt
+          fi
+
           mod_svcs=$(cut -d':' -f1 service_changes.txt | sort | uniq | tr '\n' ' ' | sed 's/ *$//')
           echo "docker_svc_list<<EOF" >> "$GITHUB_OUTPUT"
           echo "$mod_svcs" >> "$GITHUB_OUTPUT"