--- a/src/eric7/Debugger/DebugViewer.py	Sat Nov 04 17:59:52 2023 +0100
+++ b/src/eric7/Debugger/DebugViewer.py	Sun Nov 05 12:05:52 2023 +0100
@@ -961,7 +961,7 @@
             debuggerItem = debuggerItems[0]
 
             currentItem = self.__debuggersList.currentItem()
-            if currentItem.parent() is debuggerItem:
+            if currentItem is not None and currentItem.parent() is debuggerItem:
                 currentChild = currentItem.text(0)
             else:
                 currentChild = ""