diff --git a/features/support/header.rb b/features/support/header.rb
index 10da76a..739de9a 100644
--- a/features/support/header.rb
+++ b/features/support/header.rb
@@ -13,6 +13,6 @@ module HeaderUtils
     # The call 'headers.each(&method(:set_header))' breaks on ruby 2.0.0-p598, which is the
     # default version on CentOS 7. When that SO updates ruby, this should be reverted to
     # the more concise syntax.
-    headers.each { |key, value| method(:set_header).call(key, value) }
+    headers.each { |key, value| set_header(key, value) }
   end
 end
--
libgit2 0.21.2