diff --git a/.github/workflows/run_cts_tests.yaml b/.github/workflows/run_cts_tests.yaml
index fd074a18f..514162b04 100644
--- a/.github/workflows/run_cts_tests.yaml
+++ b/.github/workflows/run_cts_tests.yaml
@@ -48,7 +48,7 @@ jobs:
         run: |
           export CUTTLEFISH_ENV_OVERRIDE_PREFIX=EMQX_
           printenv > .env
-          docker exec --env-file .env -i erlang sh -c ".make apps/emqx_auth_ldap-ct"
+          docker exec --env-file .env -i erlang sh -c "make apps/emqx_auth_ldap-ct"
       - uses: actions/upload-artifact@v1
         if: failure()
         with: