diff --git a/src/google/adk/models/gemini_llm_connection.py b/src/google/adk/models/gemini_llm_connection.py
index cf74a5b9d4..2100c77aea 100644
--- a/src/google/adk/models/gemini_llm_connection.py
+++ b/src/google/adk/models/gemini_llm_connection.py
@@ -409,7 +409,11 @@ async def receive(self) -> AsyncGenerator[LlmResponse, None]:
               yield self.__build_full_text_response(text, is_thought)
               text = ''
               is_thought = False
-            else:
+            # this condition prevents duplicate interruption signals
+            if (
+                not (content and content.parts)
+                and not message.server_content.grounding_metadata
+            ):
               yield LlmResponse(
                   interrupted=message.server_content.interrupted,
                   model_version=self._model_version,