diff --git a/action.yml b/action.yml
index 3f78351..4eff7c1 100644
--- a/action.yml
+++ b/action.yml
@@ -52,7 +52,7 @@ runs:
       id: folder-array
       run: |
         myArray=(${{ inputs.ontology-folders }})
-        echo "folders=${myArray}" >> $GITHUB_OUTPUT
+        echo "folders=${myArray[*]}" >> $GITHUB_OUTPUT
       shell: bash
 
     - name: Get changed files