diff --git a/.github/workflows/test-dispatch.yaml b/.github/workflows/test-dispatch.yaml
index 8c8961c693e3..9c73f0343d4e 100644
--- a/.github/workflows/test-dispatch.yaml
+++ b/.github/workflows/test-dispatch.yaml
@@ -24,7 +24,7 @@ on:
       runner-label:
         required: false
         type: string
-        default: '["in-service"]'
+        default: "in-service"
       build-type:
         required: false
         type: choice
@@ -64,7 +64,7 @@ jobs:
       LD_LIBRARY_PATH: ${{ github.workspace }}/build/lib
     environment: dev
     runs-on:
-      - ${{ format('[{0},{1}]', inputs.runner-label, inputs.hw-config ) }}
+      - ${{ format('[{0}, {1}]', inputs.runner-label, inputs.hw-config ) }}
       # - ${{ inputs.hw-config }}
     steps:
       - uses: tenstorrent-metal/metal-workflows/.github/actions/checkout-with-submodule-lfs@v2.0.0