diff --git a/llm_mistral.py b/llm_mistral.py
index f66b6db..c5ff86c 100644
--- a/llm_mistral.py
+++ b/llm_mistral.py
@@ -81,7 +81,7 @@ def build_messages(self, prompt, conversation):
         return messages
 
     def execute(self, prompt, stream, response, conversation):
-        key = llm.get_key("", "mistral", "LLM_MISTRAL_KEY")
+        key = llm.get_key("", "mistral", "LLM_MISTRAL_KEY") or getattr(self, "key", None)
         messages = self.build_messages(prompt, conversation)
         response._prompt_json = {"messages": messages}
         body = {