diff --git a/appveyor.yml b/appveyor.yml
index 617669d9..5fe45ec8 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,3 +1,3 @@
-before_build: cmake .
+before_build: cmake -G "Visual Studio 10" .
 build:
   project: FORMAT.sln