diff --git a/ga.py b/ga.py
index 4ccd84f4..9347d3ec 100644
--- a/ga.py
+++ b/ga.py
@@ -573,7 +573,7 @@ def turn_end_callback(self, response, tool_calls, tool_results, turn, next_promp
         injprompt = consume_file(self.parent.task_dir, '_intervene')
         if injkeyinfo: self.working['key_info'] = self.working.get('key_info', '') + f"\n[MASTER] {injkeyinfo}"
         if injprompt: next_prompt += f"\n\n[MASTER] {injprompt}\n"
-        for hook in getattr(self.parent, '_turn_end_hooks', {}).values(): hook(locals())  # current readonly
+        for hook in list(getattr(self.parent, '_turn_end_hooks', {}).values()): hook(locals())  # current readonly
         return next_prompt
 
 def get_global_memory():