diff --git a/integrations/amazon_bedrock/src/haystack_integrations/components/generators/amazon_bedrock/chat/chat_generator.py b/integrations/amazon_bedrock/src/haystack_integrations/components/generators/amazon_bedrock/chat/chat_generator.py
index 6ce671e68..2af99e685 100644
--- a/integrations/amazon_bedrock/src/haystack_integrations/components/generators/amazon_bedrock/chat/chat_generator.py
+++ b/integrations/amazon_bedrock/src/haystack_integrations/components/generators/amazon_bedrock/chat/chat_generator.py
@@ -6,7 +6,7 @@
 import boto3
 from botocore.exceptions import BotoCoreError, ClientError
 from haystack import component, default_from_dict, default_to_dict
-from haystack.components.generators.utils import deserialize_callback_handler
+from haystack.components.generators.utils import deserialize_callback_handler, serialize_callback_handler
 from haystack.dataclasses import ChatMessage, StreamingChunk
 from haystack.utils.auth import Secret, deserialize_secrets_inplace
 
@@ -248,7 +248,7 @@ def to_dict(self) -> Dict[str, Any]:
             model=self.model,
             stop_words=self.stop_words,
             generation_kwargs=self.model_adapter.generation_kwargs,
-            streaming_callback=self.streaming_callback,
+            streaming_callback=serialize_callback_handler(self.streaming_callback),
         )
 
     @classmethod