diff --git a/.github/workflows/vdb-tests.yml b/.github/workflows/vdb-tests.yml
index fb0231918a41b0..4800b6e88ac020 100644
--- a/.github/workflows/vdb-tests.yml
+++ b/.github/workflows/vdb-tests.yml
@@ -77,7 +77,6 @@ jobs:
             elasticsearch
 
       - name: Check TiDB Ready
-        shell: bash
         run: poetry run -C api python api/tests/integration_tests/vdb/tidb_vector/check_tiflash_ready.py
 
       - name: Test Vector Stores