diff --git a/appveyor.yml b/appveyor.yml
index 4469e0be..b0f2d3c5 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,3 +1,2 @@
 before_build: cmake .
-build:
-  project: C:\Program Files\MSBuild\12.0\bin\msbuild FORMAT.sln
+build_script: C:\Program Files\MSBuild\12.0\bin\msbuild FORMAT.sln