diff --git a/appveyor.yml b/appveyor.yml
index 5eb2089..37c6f02 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,10 +2,8 @@ version: '{branch}-{build}'
 
 environment:
   matrix:
-    - configuration: 
-        - Debug
-    - configuration:
-        - Release
+    - configuration: Debug
+    - configuration: Release
     
 APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
 MSVC_GENERATOR: Visual Studio 15 2017