diff --git a/.appveyor.yml b/.appveyor.yml
index 7b711715..88583242 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -5,7 +5,7 @@ configuration:
   - Debug
 
 platform:
-  - Win32
+  - Win64
 
 environment:
   MSVC_DEFAULT_OPTIONS: ON