diff --git a/appa/tasks.py b/appa/tasks.py
index 45cb70d..dbaa415 100644
--- a/appa/tasks.py
+++ b/appa/tasks.py
@@ -69,11 +69,12 @@ def update_call_requests_task(self):
             service_name = call_specialities[booking['user']['doctor']['speciality']].name
 
         for booking_service in booking['services']:
-            service_code = booking_service['service']['code']
-            for regex, bot_talking in call_services.items():
-                if re.match(regex, service_code.strip()):
-                    service_name = bot_talking
-                    break
+            if booking_service['service'] is not None:
+                service_code = booking_service['service']['code']
+                for regex, bot_talking in call_services.items():
+                    if re.match(regex, service_code.strip()):
+                        service_name = bot_talking
+                        break
 
         if lpu is None or service_name is None:
             continue