diff --git a/.appveyor.yml b/.appveyor.yml
index cb7db1f..0cea15c 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -15,12 +15,9 @@ build_script:
 artifacts:
   - path: build\llvm\bin\keystone.dll
     name: keystone.dll
-    type: zip
 
   - path: build\llvm\lib\keystone.lib
     name: keystone.lib
-    type: zip
 
   - path: build\kstool\kstool.exe
     name: kstool.exe
-    type: zip