diff --git a/.github/workflows/IKVM.Clang.yml b/.github/workflows/IKVM.Clang.yml
index 46159f0..a3e7e30 100644
--- a/.github/workflows/IKVM.Clang.yml
+++ b/.github/workflows/IKVM.Clang.yml
@@ -136,7 +136,7 @@ jobs:
         dotnet-version: 8.0.x
     - uses: mymindstorm/setup-emsdk@v14
     - name: Build EMSDK
-      run: embuilder.py build ALL
+      run: embuilder build ALL
     - name: Download Tests
       uses: actions/download-artifact@v4
       with: