Use ENV.append_path

1 files changed, 2 insertions, 2 deletions

diff --git a/Library/Homebrew/requirement.rb b/Library/Homebrew/requirement.rb
index c756c6f93..58b8e57e4 100644
--- a/Library/Homebrew/requirement.rb
+++ b/Library/Homebrew/requirement.rb
@@ -87,8 +87,8 @@ class Requirement
     case o
     when Pathname
       self.class.env do
-        unless ENV["PATH"].split(":").include?(o.parent.to_s)
-          ENV.append("PATH", o.parent, ":")
+        unless ENV["PATH"].split(File::PATH_SEPARATOR).include?(o.parent.to_s)
+          ENV.append_path("PATH", o.parent)
         end
       end
     end