diff --git a/rubberin b/rubberin
index 9bcfea6..292ec0a 100755
--- a/rubberin
+++ b/rubberin
@@ -191,6 +191,8 @@ dirs = files.map { |file| File.dirname(file) }
 dirs.each do |dir|
   # Set up a watch per directory
   notifier.watch(dir, :close_write) do |ev|
+    # Only compile if a dependency of the input file has been modified
+    next unless files.include?(dir + "/" + ev.name)
     puts "I: file #{ev.name} modified, compiling #{infile}..."
     compile(infile, mode)
     reload(infile, mode)