diff --git a/Formula/voms.rb b/Formula/voms.rb
index 3dee2ab5df7..a298d046310 100644
--- a/Formula/voms.rb
+++ b/Formula/voms.rb
@@ -5,12 +5,12 @@ class Voms < Formula
   url 'https://github.com/italiangrid/voms/archive/2_0_11.tar.gz'
   sha1 'dabc2ebe01d01052f5b3849cb04f4947a38d99dd'
 
-  depends_on :autoconf
-  depends_on :automake
-  depends_on :libtool
+  depends_on "autoconf" => :build
+  depends_on "automake" => :build
+  depends_on "libtool" => :build
 
   def install
-    system "sh autogen.sh"
+    system "./autogen.sh"
     system "./configure", "--prefix=#{prefix}", "--sysconfdir=#{etc}"
     system "make install"
   end