diff --git a/appveyor.yml b/appveyor.yml
index f639c62bf5..2c921a9999 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,12 +1,12 @@
 platform:
-  - x86
   - x64
 
 build_script:
   - SET PATH=C:\msys64\mingw64\bin;%PATH%
+  - gcc -v
   - git clone -q --depth 1 git://github.com/nim-lang/csources.git csources
   - cd csources
-  - build.bat
+  - build64.bat
   - cd ..
   - bin/nim koch
   - koch boot