diff --git a/appveyor.yml b/appveyor.yml
index 7e0d22a1..c3b9d894 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 1.0.{build}
+version: 1.0.{build}a
 platform: x64
 clone_folder: c:\project\src\github.com\rakslice\macemu
 clone_depth: 5