diff --git a/Formula/trafficserver.rb b/Formula/trafficserver.rb
index 0957db0970..354644b1da 100644
--- a/Formula/trafficserver.rb
+++ b/Formula/trafficserver.rb
@@ -5,15 +5,15 @@ class Trafficserver < Formula
   url 'http://www.apache.org/dyn/closer.cgi?path=trafficserver/trafficserver-3.2.0.tar.bz2'
   sha1 '0d7461f0711387b1049e50522e61281be6f5cf38'
 
-  head 'http://svn.apache.org/repos/asf/trafficserver/traffic/trunk/'
+  head do
+    url 'http://svn.apache.org/repos/asf/trafficserver/traffic/trunk/'
 
-  depends_on 'pcre'
-
-  if build.head?
     depends_on :automake
     depends_on :libtool
   end
 
+  depends_on 'pcre'
+
   def install
     system "autoreconf -i" if build.head?