diff --git a/Formula/unoconv.rb b/Formula/unoconv.rb
index 77a2e4216d0..c2010d156c5 100644
--- a/Formula/unoconv.rb
+++ b/Formula/unoconv.rb
@@ -12,7 +12,7 @@ class Unoconv < Formula
     sha256 "cb6ddbfbd729b82ab62289c996f8150044ea66ea6ec1fa54c64736eccb1fa964" => :el_capitan
   end
 
-  depends_on :python if MacOS.version <= :snow_leopard
+  depends_on "python" if MacOS.version <= :snow_leopard
 
   def install
     system "make", "install", "prefix=#{prefix}"