diff --git a/.github/workflows/playground.yml b/.github/workflows/playground.yml
index f8b26ca..e9b0781 100644
--- a/.github/workflows/playground.yml
+++ b/.github/workflows/playground.yml
@@ -21,5 +21,5 @@ jobs:
   playground:  
     runs-on: ubuntu-latest
     steps:
-      - run: echo '${{toJSON(fromJSON("{\n}"))}}'
+      - run: echo '${{toJSON(fromJSON('{\n}'))}}'