diff --git a/src/google/adk/agents/llm_agent.py b/src/google/adk/agents/llm_agent.py
index b915c91335..a086df87d1 100644
--- a/src/google/adk/agents/llm_agent.py
+++ b/src/google/adk/agents/llm_agent.py
@@ -331,7 +331,9 @@ def _maybe_save_output_to_state(self, event: Event, node_path: str) -> None:
       return
 
     set_output_key = bool(self.output_key)
-    set_event_output = self.mode == 'single_turn'
+    set_event_output = self.mode == 'single_turn' or (
+        self.mode == 'task' and self.output_schema
+    )
 
     if not set_output_key and not set_event_output:
       return