diff --git a/appveyor.yml b/appveyor.yml
index b18b4a35f..0855778c5 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -8,7 +8,7 @@ install:
   - set PATH=c:\go\bin;c:\tools\ruby215\bin;%PATH%;C:\MinGW\bin
   - echo %Path%
   - choco install ruby
-  - md c:\mackerel.secure
+  - md c:\mackerel-secure
   - ps: $fileContent = $env:cert
   - ps: Set-Content c:\mackerel-secure\cert.p12.base64 $fileContent
   - set cert=