diff --git a/features/support/header.rb b/features/support/header.rb
index 08e3b5a..10da76a 100644
--- a/features/support/header.rb
+++ b/features/support/header.rb
@@ -10,6 +10,9 @@ module HeaderUtils
   end
 
   def set_headers(headers)
-    headers.each(&method(:set_header))
+    # 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) }
   end
 end
--
libgit2 0.21.2