diff --git a/daemon/core/gui/coreclient.py b/daemon/core/gui/coreclient.py
index 8beffc49..e4fd5fac 100644
--- a/daemon/core/gui/coreclient.py
+++ b/daemon/core/gui/coreclient.py
@@ -121,6 +121,8 @@ class CoreClient:
         self.emane_config = None
         self.service_configs.clear()
         self.file_configs.clear()
+        for mobility_player in self.mobility_players.values():
+            mobility_player.handle_close()
         self.mobility_players.clear()
         # clear streams
         if self.handling_throughputs:
@@ -408,7 +410,7 @@ class CoreClient:
             session_id = self.session_id
         try:
             response = self.client.delete_session(session_id)
-            logging.info("deleted session result: %s", response)
+            logging.info("deleted session(%s) result: %s", session_id, response)
         except grpc.RpcError as e:
             self.app.after(0, show_grpc_error, e)
 
diff --git a/daemon/core/gui/menuaction.py b/daemon/core/gui/menuaction.py
index 5767d4b1..c9ca355e 100644
--- a/daemon/core/gui/menuaction.py
+++ b/daemon/core/gui/menuaction.py
@@ -32,10 +32,10 @@ class MenuAction:
         self.app = app
         self.canvas = app.canvas
 
-    def cleanup_old_session(self):
+    def cleanup_old_session(self, session_id):
         logging.info("cleaning up old session")
         self.app.core.stop_session()
-        self.app.core.delete_session()
+        self.app.core.delete_session(session_id)
 
     def prompt_save_running_session(self, quitapp: bool = False):
         """
@@ -49,7 +49,12 @@ class MenuAction:
             callback = None
             if quitapp:
                 callback = self.app.quit
-            task = BackgroundTask(self.app, self.cleanup_old_session, callback)
+            task = BackgroundTask(
+                self.app,
+                self.cleanup_old_session,
+                callback,
+                (self.app.core.session_id,),
+            )
             task.start()
         elif quitapp:
             self.app.quit()