diff --git a/.github/workflows/gtest-ci.yml b/.github/workflows/gtest-ci.yml
index b2dcab49..bcef926b 100644
--- a/.github/workflows/gtest-ci.yml
+++ b/.github/workflows/gtest-ci.yml
@@ -40,4 +40,4 @@ jobs:
         fetch-depth: 0
 
     - name: Tests
-      run: bazel test --cxxopt=-std=c++14 --features=external_include_paths --test_output=errors ...
+      run: bazel test --cxxopt=/std:c++14 --features=external_include_paths --test_output=errors ...