diff --git a/appveyor.yml b/appveyor.yml
index b418832..7311584 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -13,7 +13,7 @@ before_build:
   - ps: nuget restore src\Unchase.OpenAPI.ConnectedService.sln
   - ps: Vsix-IncrementVsixVersion | Vsix-UpdateBuildVersion
 build_script:
-  - msbuild /p:configuration=Release /p:DeployExtension=false /p:ZipPackageCompressionLevel=normal /v:m
+  - msbuild src\Unchase.OpenAPI.ConnectedService.csproj /p:configuration=Release /p:DeployExtension=false /p:ZipPackageCompressionLevel=normal /v:m
 after_test:
   - ps: Vsix-PushArtifacts | Vsix-PublishToGallery
 deploy: