diff --git a/.appveyor.yml b/.appveyor.yml
index d951a204..699d55a9 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -24,8 +24,9 @@ image:
 
 environment:
 
-- BUILD_MODE=CMake
-- BUILD_MODE=MSBuild
+  matrix:
+  - BUILD_MODE: CMake
+  - BUILD_MODE: MSBuild
 
 # Disable build through solution file
 build: off
@@ -44,13 +45,13 @@ test_script:
 
         if($env:configuration -eq "Debug")
         {
-
+        
             cmake -DCMAKE_BUILD_TYPE=Debug ../
-
+            
         }
         else
         {
-
+        
             cmake -DCMAKE_BUILD_TYPE=Release ../
 
         }