diff --git a/libs/langchain/langchain/chains/graph_qa/neptune_cypher.py b/libs/langchain/langchain/chains/graph_qa/neptune_cypher.py
index 013c9622de..1e3cb64644 100644
--- a/libs/langchain/langchain/chains/graph_qa/neptune_cypher.py
+++ b/libs/langchain/langchain/chains/graph_qa/neptune_cypher.py
@@ -68,7 +68,7 @@ def use_simple_prompt(llm: BaseLanguageModel) -> bool:
         return True
 
     # Bedrock anthropic
-    if llm.model_id and "anthropic" in llm.model_id:  # type: ignore
+    if hasattr(llm, "model_id") and "anthropic" in llm.model_id:  # type: ignore
         return True
 
     return False