diff --git a/lib/cask/artifact/qlplugin.rb b/lib/cask/artifact/qlplugin.rb
index adbf0e613..409906d74 100644
--- a/lib/cask/artifact/qlplugin.rb
+++ b/lib/cask/artifact/qlplugin.rb
@@ -2,4 +2,9 @@ class Cask::Artifact::Qlplugin < Cask::Artifact::Symlinked
   def self.artifact_english_name
     'QuickLook Plugin'
   end
+
+  def install
+    super
+    @command.run!('/usr/bin/qlmanage', :args => ['-r'])
+  end
 end