diff --git a/swarms/structs/agent.py b/swarms/structs/agent.py
index 4b41651f..355265ca 100644
--- a/swarms/structs/agent.py
+++ b/swarms/structs/agent.py
@@ -2406,12 +2406,14 @@ class Agent:
             Dict[str, Any]: A dictionary representation of the class attributes.
         """
 
-        # Remove the llm object from the dictionary
-        self.__dict__.pop("llm", None)
+        # Create a copy of the dict to avoid mutating the original object
+        # Remove the llm object from the copy since it's not serializable
+        dict_copy = self.__dict__.copy()
+        dict_copy.pop("llm", None)
 
         return {
             attr_name: self._serialize_attr(attr_name, attr_value)
-            for attr_name, attr_value in self.__dict__.items()
+            for attr_name, attr_value in dict_copy.items()
         }
 
     def to_json(self, indent: int = 4, *args, **kwargs):