diff --git a/.github/workflows/publish-csharp-apidocs.yml b/.github/workflows/publish-csharp-apidocs.yml
index 93eea8bb6d84d..c687ddfb6f395 100644
--- a/.github/workflows/publish-csharp-apidocs.yml
+++ b/.github/workflows/publish-csharp-apidocs.yml
@@ -30,7 +30,7 @@ jobs:
         dotnet tool update -g docfx
     - name: Update PATH
       run: |
-        Add-Content -Value "%USERPROFILE%\.dotnet\tools" -Encoding utf8 -Path $env:GITHUB_PATH
+        Add-Content -Value "$env:USERPROFILE\.dotnet\tools" -Encoding utf8 -Path $env:GITHUB_PATH
     - name: echo PATH
       run: |
         Write-Host $env:path