diff --git a/appveyor.yml b/appveyor.yml
index ab04df5..1f74e15 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -20,7 +20,7 @@ matrix:
   fast_finish: true     # set this flag to immediately finish build once one of the jobs fails.
 
 platform:
-  - x86
+  - x86_64
 
 configuration: Release