diff --git a/gnes/service/encoder.py b/gnes/service/encoder.py
index 95d2f969..61b3efc9 100644
--- a/gnes/service/encoder.py
+++ b/gnes/service/encoder.py
@@ -88,5 +88,5 @@ def _handler_train(self, msg: 'gnes_pb2.Message'):
 
     @handler.register(gnes_pb2.Request.QueryRequest)
     def _handler_search(self, msg: 'gnes_pb2.Message'):
-        _, embeds = self.embed_chunks_in_docs(msg.request.search.query)
+        _, embeds = self.embed_chunks_in_docs(msg.request.search.query, is_input_list=False)
         msg.request.search.query.chunk_embeddings.CopyFrom(array2blob(embeds))