diff --git a/appveyor.yml b/appveyor.yml
index f83d168f3..89f445858 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,5 +1,6 @@
 cache:
 - "c:\\sr -> appveyor.yml" #
+- "%LOCALAPPDATA%\\Programs\\stack"
 
 build: off