diff --git a/.github/workflows/pr_build.yml b/.github/workflows/pr_build.yml
index 05f049fae6..0a854f687b 100644
--- a/.github/workflows/pr_build.yml
+++ b/.github/workflows/pr_build.yml
@@ -131,4 +131,4 @@ jobs:
       working-directory: ${{runner.workspace}}/build
       env:
         GITHUB_CONTEXT: ${{ toJson(github) }}
-      run: python "$GITHUB_WORKSPACE\tools\ci-scripts\upload_to_publish_server.py"
+      run: python "$GITHUB_WORKSPACE/tools/ci-scripts/upload_to_publish_server.py"