diff --git a/.github/workflows/publish-npm.yml b/.github/workflows/publish-npm.yml
index 92fb3890f..3082c75ae 100644
--- a/.github/workflows/publish-npm.yml
+++ b/.github/workflows/publish-npm.yml
@@ -60,7 +60,7 @@ jobs:
           test: ${{ steps.tag_exists.outputs.exists }}
 
       # If the tag already exists, exit with an error
-      - if: steps.tag_exists.outputs.exists == true
+      - if: steps.tag_exists.outputs.exists == 'true'
         run: exit 1
 
       # Publish the release to our package manager