diff --git a/appveyor.yml b/appveyor.yml
index da703786..493a678a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,5 +1,9 @@
 version: '{build}'
 
+platform:
+  - x86
+  - x64
+
 os: 
   - Visual Studio 2015
   - Visual Studio 2017