1 files changed, 2 insertions, 1 deletions
diff --git a/mkconfig.rb b/mkconfig.rb
index 29ac54c725..19e456c160 100755
--- a/mkconfig.rb
+++ b/mkconfig.rb
@@ -17,7 +17,8 @@ unless File.directory?(dir = File.dirname(rbconfig_rb))
 end
 
 version = RUBY_VERSION
-def (config = "").write(arg)
+config = ""
+def config.write(arg)
   concat(arg.to_s)
 end
 $stdout = config