diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6919ab6d..da4327f7 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,7 +20,7 @@ jobs:
       uses: microsoft/setup-msbuild@v1.0.1
 
     - name: Build
-      run: MSBuild.exe test/vs2019/etl.sln /p:Configuration=Debug /p:Platform=x86
+      run: MSBuild.exe test/vs2019/etl.sln /p:Configuration=debug /p:Platform=x86
 
     - name: Run tests
       run: ./test/etl_tests