diff --git a/main.py b/main.py
index c91f3d5..59c4d96 100644
--- a/main.py
+++ b/main.py
@@ -316,10 +316,10 @@ class LabCleaningBot:
 
         match envelope:
             # Normal direct message (no edits, no reactions)
-            case EnvelopeData(dataMessage=DataMessage(message=message, groupInfo=None), sourceNumber=sourceNumber):
-                print(message, "direct", sourceNumber)
+            case EnvelopeData(dataMessage=DataMessage(message=message, groupInfo=None), source=source):
+                print(message, "direct", source)
             # Normal group message (no edits, no reactions)
-            case EnvelopeData(dataMessage=DataMessage(message=message, groupInfo=GroupInfo(groupId=group_id)), sourceNumber=sourceNumber):
+            case EnvelopeData(dataMessage=DataMessage(message=message, groupInfo=GroupInfo(groupId=group_id)), source=source):
                 print(message, group_id)
             # Reaction in direct messages
             case EnvelopeData(
@@ -332,7 +332,7 @@ class LabCleaningBot:
                     groupInfo=None,
                     timestamp=timestamp
                 ),
-                sourceNumber=sourceNumber):
+                source=source):
 
                 reactionTimestamp = signal_timestamp_to_datetime(timestamp)
                 requestTimestamp = signal_timestamp_to_datetime(targetSentTimestamp)
@@ -375,9 +375,9 @@ class LabCleaningBot:
                             response_msg = "You cannot reject the request after the timeout."
 
                 self.api.send_message(
-                    SendMessageSimple(message=response_msg, recipients=[sourceNumber]))
+                    SendMessageSimple(message=response_msg, recipients=[source]))
 
-                print(emoji, "direct", sourceNumber, isRemove)
+                print(emoji, "direct", source, isRemove)
 
     def create_or_update_task_group(self, task: Task) -> Result[str, str]:
         chatgroup = task.chatgroup