diff --git a/appveyor.yml b/appveyor.yml
index b0ac65c5b..d5ea687bb 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -8,6 +8,7 @@ install:
   - gem --version
   - git --version
   - hg  --version
+  - chcp
 
 build: off