diff --git a/rubberin b/rubberin
index 3fb521d..9bcfea6 100755
--- a/rubberin
+++ b/rubberin
@@ -190,7 +190,7 @@ notifier = INotify::Notifier.new
 dirs = files.map { |file| File.dirname(file) }
 dirs.each do |dir|
   # Set up a watch per directory
-  notifier.watch(dir, :close_write) do
+  notifier.watch(dir, :close_write) do |ev|
     puts "I: file #{ev.name} modified, compiling #{infile}..."
     compile(infile, mode)
     reload(infile, mode)