diff --git a/libs/aws/langchain_aws/llms/bedrock.py b/libs/aws/langchain_aws/llms/bedrock.py
index c20e3365..ea866819 100644
--- a/libs/aws/langchain_aws/llms/bedrock.py
+++ b/libs/aws/langchain_aws/llms/bedrock.py
@@ -412,7 +412,7 @@ class BedrockBase(BaseLanguageModel, ABC):
         "amazon": "stopSequences",
         "ai21": "stop_sequences",
         "cohere": "stop_sequences",
-        "mistral": "stop_sequences",
+        "mistral": "stop",
     }
 
     provider_stop_reason_key_map: Mapping[str, str] = {