diff --git a/.appveyor.yml b/.appveyor.yml
index 117172f61..012a5cd5c 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -8,6 +8,10 @@ environment:
   - TOOLSET: vs2017
 #  - TOOLSET: vs2019
 
+platform:
+  - x86
+  - x64
+
 configuration:
   - Debug
   - Release