diff --git a/moltenbar b/moltenbar
index 50d27c3..38e03a3 100755
--- a/moltenbar
+++ b/moltenbar
@@ -143,8 +143,10 @@ puts "Launching lemonbar as: " + lemonbar_cmd.join(" ")
 IO.popen(lemonbar_cmd, "w+") do |pipe_lb|
 	pipe_lb.sync = true
 
-	Signal.trap("USR1") do
-		pipe_lb.puts config['format'].erb
+	fork do
+		pipe_lb.each do |line|
+			system(line)
+		end
 	end
 
 	pipe_r.each do |line|