diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2749ceb..e2cd0bb 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -27,7 +27,7 @@ jobs:
     - name: Build
       run:  |
         write-Host "Building a sln"
-        ${env:MSBUILD} -m -t:Rebuild /p:Configuration=Release /p:Platform="Any CPU" /fl SourceGrid_2013.sln
+        '${env:MSBUILD} -m -t:Rebuild /p:Configuration=Release /p:Platform="Any CPU" /fl SourceGrid_2013.sln'
       env:
          MSBUILD: ${{ secrets.TEST }}