diff --git a/ros_tcp_endpoint/server.py b/ros_tcp_endpoint/server.py
index 5954994..2f93c28 100644
--- a/ros_tcp_endpoint/server.py
+++ b/ros_tcp_endpoint/server.py
@@ -122,7 +122,7 @@ def handle_syscommand(self, topic, data):
         if function is None:
             self.send_unity_error("Don't understand SysCommand.'{}'".format(topic))
         else:
-            message_json = data.decode("utf-8")[:-1]
+            message_json = data.decode("utf-8")
             params = json.loads(message_json)
             function(**params)