diff --git a/.github/workflows/go_mod_tidy.yml b/.github/workflows/go_mod_tidy.yml
index ac78b7aa3..cdf6283ce 100644
--- a/.github/workflows/go_mod_tidy.yml
+++ b/.github/workflows/go_mod_tidy.yml
@@ -29,7 +29,7 @@ jobs:
 
       - name: check 'go mod tidy' is clean
         run: |
-          go mod tidy
+          ./tool/go mod tidy
           echo
           echo
           git diff --name-only --exit-code || (echo "Please run 'go mod tidy'."; exit 1)