diff --git a/.github/workflows/build-ilspy.yml b/.github/workflows/build-ilspy.yml
index f4e1d446a..22bce4606 100644
--- a/.github/workflows/build-ilspy.yml
+++ b/.github/workflows/build-ilspy.yml
@@ -64,7 +64,7 @@ jobs:
         paths: "test-results/${{ matrix.configuration }}.xml"
 
     - name: Format check
-      run: dotnet format whitespace --verify-no-changes --verbosity detailed
+      run: dotnet format whitespace --verify-no-changes --verbosity detailed ILSpy.sln
       
     - name: Verify package contents
       if: matrix.configuration == 'debug'