diff --git a/appveyor.yml b/appveyor.yml
index 2000951a6..83d3b900e 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,8 +1,8 @@
 # it seems that Qt is only installed by default on unstable os at the moment
 os: unstable
 
-# a depth of 50 should be enough (travis uses the same setting)
-clone_depth: 50
+# shallow clone
+clone_depth: 1
 
 environment:
   QTDIR: C:\Qt\5.4\msvc2013_opengl