diff --git a/dup.rb b/dup.rb
index e9551b8..892749f 100755
--- a/dup.rb
+++ b/dup.rb
@@ -469,7 +469,7 @@ if ENV['DUP_DIR']
 	$base_dir = ENV['DUP_DIR']
 else
 	$base_dir = File.join(Dir.home, ".dup")
-	puts "Environment variable DUP_DIR is not set. Looking for .yml files in #{$base_dir}" unless silent_basedir
+	STDERR.puts "Environment variable DUP_DIR is not set. Looking for .yml files in #{$base_dir}" unless silent_basedir
 end
 
 opts = GetoptLong.new(