diff --git a/.github/workflows/delete-packages.yml b/.github/workflows/delete-packages.yml
index 5e5ae4c..87549a2 100644
--- a/.github/workflows/delete-packages.yml
+++ b/.github/workflows/delete-packages.yml
@@ -1,13 +1,13 @@
 name: Delete untagged packages
 
-on: 
+on:
   workflow_run:
     workflows:
       - build-check
       - Create and publish a Docker image
       - format-check
     types:
-      -completed
+      - completed
 
 jobs:
   delete-untagged-packages: