diff --git a/packages/api/src/endpoints/openai/llm.ts b/packages/api/src/endpoints/openai/llm.ts
index 2d6ac4a226..c6e4202ff6 100644
--- a/packages/api/src/endpoints/openai/llm.ts
+++ b/packages/api/src/endpoints/openai/llm.ts
@@ -135,6 +135,7 @@ export function getOpenAIConfig(
       delete llmConfig.azureOpenAIApiVersion;
       delete llmConfig.azureOpenAIBasePath;
       delete llmConfig.azureOpenAIApiKey;
+      llmConfig.apiKey = apiKey;
 
       configOptions.defaultHeaders = {
         ...configOptions.defaultHeaders,