diff --git a/send_test_data.py b/send_test_data.py
index 34d0e9f..6c46c25 100644
--- a/send_test_data.py
+++ b/send_test_data.py
@@ -4,7 +4,7 @@ from time import sleep
 def data_test(turns):
     counter = 0
     for i in range(turns):
-        JSONstr = f'{{ "T" : {counter} , "V" : {random.randint(0, 255)} + }}'
+        JSONstr = f'{{ "T" : {counter} , "V" : {random.randint(0, 255)} }}'
         yield JSONstr
         counter += 1
         sleep(0.1)