diff --git a/src/google/adk/a2a/converters/to_adk_event.py b/src/google/adk/a2a/converters/to_adk_event.py
index e03f8a597c..3bd80216cf 100644
--- a/src/google/adk/a2a/converters/to_adk_event.py
+++ b/src/google/adk/a2a/converters/to_adk_event.py
@@ -533,6 +533,12 @@ def convert_a2a_task_to_event(
             a2a_task.status.state, output_parts, long_running_function_ids
         )
     )
+    if a2a_task.status.state in (
+        _compat.TS_COMPLETED,
+        _compat.TS_FAILED,
+        _compat.TS_CANCELED,
+    ) and output_parts:
+     event_actions.skip_summarization = True
 
     return _create_event(
         output_parts,