diff --git a/metagpt/configs/llm_config.py b/metagpt/configs/llm_config.py
index 3f42cdc9d..a07a87cdf 100644
--- a/metagpt/configs/llm_config.py
+++ b/metagpt/configs/llm_config.py
@@ -27,7 +27,7 @@ class LLMType(Enum):
     QIANFAN = "qianfan"  # Baidu BCE
     DASHSCOPE = "dashscope"  # Aliyun LingJi DashScope
     MOONSHOT = "moonshot"
-    MISTRAL = 'mistral'
+    MISTRAL = "mistral"
 
     def __missing__(self, key):
         return self.OPENAI
diff --git a/metagpt/provider/openai_api.py b/metagpt/provider/openai_api.py
index 0a423f210..e575232b0 100644
--- a/metagpt/provider/openai_api.py
+++ b/metagpt/provider/openai_api.py
@@ -50,7 +50,7 @@ See FAQ 5.8
     raise retry_state.outcome.exception()
 
 
-@register_provider([LLMType.OPENAI, LLMType.FIREWORKS, LLMType.OPEN_LLM, LLMType.MOONSHOT])
+@register_provider([LLMType.OPENAI, LLMType.FIREWORKS, LLMType.OPEN_LLM, LLMType.MOONSHOT, LLMType.MISTRAL])
 class OpenAILLM(BaseLLM):
     """Check https://platform.openai.com/examples for examples"""