diff --git a/src/webhooksd.cr b/src/webhooksd.cr
index 72023f0..3886c47 100644
--- a/src/webhooksd.cr
+++ b/src/webhooksd.cr
@@ -1,5 +1,7 @@
 require "http/server"
 require "option_parser"
+require "fiber"
+
 require "./payload.cr"
 
 VERSION = 0.1
@@ -57,6 +59,11 @@ if File.exists?(scriptfile_default) == false
 	exit 1
 end
 
+channel = Channel(Int32).new
+spawn do
+	channel.send 0
+end
+
 server = HTTP::Server.new do |context|
 	if context.request.method != "POST" || context.request.path != "/"
 		context.response.status = HTTP::Status::NOT_FOUND
@@ -82,7 +89,10 @@ server = HTTP::Server.new do |context|
 					scriptfile = path_project + "/../../../" + scriptfile_default
 				end
 
+				channel.receive
+
 				File.write(path_jsonfile, payload.content)
+
 				status = Process.run command: "zsh", args: [scriptfile], shell: true,
 					error: STDERR, output: STDOUT, chdir: path_project
 			end
@@ -94,8 +104,14 @@ server = HTTP::Server.new do |context|
 		else
 			context.response.print "FAILURE"
 		end
+
+		spawn do
+			channel.send(0)
+		end
+
 	end
 end
 
 address = server.bind_tcp port
+pp address
 server.listen