diff --git a/.github/workflows/build_and_test.yaml b/.github/workflows/build_and_test.yaml
index 5c8cdd4a..3cf68f49 100644
--- a/.github/workflows/build_and_test.yaml
+++ b/.github/workflows/build_and_test.yaml
@@ -16,7 +16,7 @@ jobs:
           - "3.8"
           - "3.9"
           - "3.10"
-    runs-on: ${{ format(`{0}-latest`, matrix.os) }}
+    runs-on: ${{ format('{0}-latest', matrix.os) }}
     steps:
       - uses: actions/checkout@v4
       - name: set up rust