diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cdf6c58..77204df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -111,7 +111,7 @@ jobs:
       - name: Build ${{ env.PACKAGE_NAME }} + consumers
         run: |
           git clone https://github.com/Microsoft/php-sdk-binary-tools.git php-sdk
-          ./php-sdk/phpsdk-vs16-x64.bat -t ./win_build.bat
+          .\php-sdk\phpsdk-vs16-x64.bat -t .\win_build.bat
 
   # windows-vc14:
   #   runs-on: windows-latest
diff --git a/win_build.bat b/win_build.bat
index b0bda6d..40ac69c 100644
--- a/win_build.bat
+++ b/win_build.bat
@@ -1,5 +1,7 @@
 @echo on
 
+cd php-sdk
+
 phpsdk_buildtree php-8.1
 
 git clone https://github.com/php/php-src.git && cd php-src