diff --git a/appveyor.yml b/appveyor.yml
index 6c0b912..fdbe7c2 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -77,7 +77,7 @@ install:
 
   # Ruby & Gem
   - cinst ruby -y
-  - "SET PATH=C:\\Ruby193\\bin\\;%PATH%"
+  - "SET PATH=C:\\Ruby193\\bin;%PATH%"
   # Rubocop
   - gem install rubocop
   - where rubocop