diff --git a/Formula/plustache.rb b/Formula/plustache.rb
index 40dea76289..3d61fcaa70 100644
--- a/Formula/plustache.rb
+++ b/Formula/plustache.rb
@@ -8,6 +8,6 @@ class Plustache < Formula
   depends_on 'boost'
 
   def install
-    system "rake", "install", "prefix=#{prefix}"
+    rake "install", "prefix=#{prefix}"
   end
 end