diff --git a/cognee/modules/retrieval/natural_language_retriever.py b/cognee/modules/retrieval/natural_language_retriever.py
index 276d64de3..38d19eb56 100644
--- a/cognee/modules/retrieval/natural_language_retriever.py
+++ b/cognee/modules/retrieval/natural_language_retriever.py
@@ -1,8 +1,7 @@
 from typing import Any, Optional
 from cognee.shared.logging_utils import get_logger
 from cognee.infrastructure.databases.graph import get_graph_engine
-from cognee.infrastructure.llm.get_llm_client import get_llm_client
-from cognee.infrastructure.llm.prompts import render_prompt
+from cognee.infrastructure.llm.LLMGateway import LLMGateway
 from cognee.modules.retrieval.base_retriever import BaseRetriever
 from cognee.modules.retrieval.exceptions import SearchTypeNotSupported
 from cognee.infrastructure.databases.graph.graph_db_interface import GraphDBInterface
@@ -122,6 +121,10 @@ class NaturalLanguageRetriever(BaseRetriever):
               query.
         """
         graph_engine = await get_graph_engine()
+
+        if isinstance(graph_engine, (NetworkXAdapter)):
+            raise SearchTypeNotSupported("Natural language search type not supported.")
+
         return await self._execute_cypher_query(query, graph_engine)
 
     async def get_completion(self, query: str, context: Optional[Any] = None) -> Any: