diff --git a/Casks/rubymine.rb b/Casks/rubymine.rb
index f611aa088b8..a9c2be23243 100644
--- a/Casks/rubymine.rb
+++ b/Casks/rubymine.rb
@@ -7,7 +7,7 @@ class Rubymine < Cask
 
   link 'RubyMine.app'
 
-  after_install do
+  postflight do
     system "/usr/libexec/PlistBuddy", "-c", "Set :JVMOptions:JVMVersion 1.6+", "#{destination_path}/RubyMine.app/Contents/Info.plist"
   end
 end