diff --git a/examples/gpt-oss-tools-stream.py b/examples/gpt-oss-tools-stream.py
index 1becdd78..97be624e 100644
--- a/examples/gpt-oss-tools-stream.py
+++ b/examples/gpt-oss-tools-stream.py
@@ -98,6 +98,7 @@ def get_weather_conditions(city: str) -> str:
         messages.append(result_message)
       else:
         print(f'Tool {tool_call.function.name} not found')
+        messages.append({'role': 'tool', 'content': f'Tool {tool_call.function.name} not found', 'tool_name': tool_call.function.name})
 
   else:
     # no more tool calls, we can stop the loop
diff --git a/examples/gpt-oss-tools.py b/examples/gpt-oss-tools.py
index b2502271..d4a20f7f 100644
--- a/examples/gpt-oss-tools.py
+++ b/examples/gpt-oss-tools.py
@@ -78,7 +78,7 @@ def get_weather_conditions(city: str) -> str:
         messages.append({'role': 'tool', 'content': result, 'tool_name': tool_call.function.name})
       else:
         print(f'Tool {tool_call.function.name} not found')
-
+        messages.append({'role': 'tool', 'content': f'Tool {tool_call.function.name} not found', 'tool_name': tool_call.function.name})
   else:
     # no more tool calls, we can stop the loop
     break