diff --git a/src/google/adk/agents/llm_agent.py b/src/google/adk/agents/llm_agent.py
index a02f97dd69..5ff8811815 100644
--- a/src/google/adk/agents/llm_agent.py
+++ b/src/google/adk/agents/llm_agent.py
@@ -671,7 +671,10 @@ def _get_subagent_to_resume(
 
     # Last event is from another agent, or from user for another agent's tool
     # call. We need to find the last agent we transferred to.
-    for event in reversed(events):
+    # Events without content, potentially from callbacks with state_deltas,
+    # should be skipped as they don't represent a transfer to an agent
+    # that should continue the conversation with the user.
+    for event in (e for e in reversed(events) if e.content):
       if agent := self.__get_transfer_to_agent_or_none(event, self.name):
         return agent