--- a/src/eric7/Debugger/DebuggerInterfacePython.py	Thu Dec 05 16:54:37 2024 +0100
+++ b/src/eric7/Debugger/DebuggerInterfacePython.py	Fri Dec 06 09:12:46 2024 +0100
@@ -910,7 +910,8 @@
             sock = self.__pendingConnections.pop()
             self.__shutdownSocket(sock)
 
-        self.__ericServerDebuggerInterface.stopClient()
+        if self.__ericServerDebuggerInterface is not None:
+            self.__ericServerDebuggerInterface.stopClient()
 
         # reinitialize
         self.__commandQueue.clear()