1 files changed, 3 insertions, 1 deletions
diff --git a/Library/Formula/git-extras.rb b/Library/Formula/git-extras.rb
index f9f77ba5e..d13755aea 100644
--- a/Library/Formula/git-extras.rb
+++ b/Library/Formula/git-extras.rb
@@ -8,6 +8,8 @@ class GitExtras <Formula
   homepage 'http://github.com/visionmedia/git-extras'
 
   def install
-    system "make", "prefix=#{prefix}", "install"
+    inreplace 'Makefile', '/usr/local', prefix
+    bin.mkpath
+    system "make", "install"
   end
 end