diff --git a/appveyor.yml b/appveyor.yml
index 4ebf925..8dc4515 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -14,6 +14,9 @@ environment:
 #    - PYTHON: "C:\\Python35-x64"
 #    - PYTHON: "C:\\Python36-x64"
     - PYTHON: "C:\\Python37-x64"
+      platform: x64
+    - PYTHON: "C:\\Python37"
+      platform: x86
 
 install:
   - "%PYTHON%\\python.exe -m pip install wheel PyMuPDF pytest pyinstaller"