diff --git a/appveyor.yml b/appveyor.yml
index 253e07d9..43a3dd9d 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -3,7 +3,7 @@ image: Visual Studio 2017
 configuration: Release
 before_build:
 - cmd: >-
-    msbuild /t:restore
+    msbuild /t:restore MQTTnet.sln
 
     cd Tests/MQTTnet.TestApp.AspNetCore2/