diff --git a/appveyor.yml b/appveyor.yml
index e65052c4..17d5e428 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,3 +1,6 @@
+os: Windows Server 2012 R2
 build_script:
-  - ps: .\build.cmd Build
+  - cmd: build.cmd Build
 test: off
+deploy: off
+shallow_clone: true
diff --git a/build.cmd b/build.cmd
index 0680cd04..3c3050e7 100644
--- a/build.cmd
+++ b/build.cmd
@@ -4,4 +4,3 @@ if not exist packages\FAKE\tools\FAKE.exe (
   .nuget\NuGet.exe install FAKE -OutputDirectory packages -ExcludeVersion
 )
 packages\FAKE\tools\FAKE.exe build.fsx %*
-pause