diff --git a/api/server/services/Files/Audio/STTService.js b/api/server/services/Files/Audio/STTService.js
index 4ba62a7eeb..3a7a51bd8d 100644
--- a/api/server/services/Files/Audio/STTService.js
+++ b/api/server/services/Files/Audio/STTService.js
@@ -206,6 +206,10 @@ class STTService {
       data.language = validLanguage;
     }
 
+    if (sttSchema?.extraParams) {
+      Object.assign(data, sttSchema.extraParams);
+    }
+
     const headers = {
       'Content-Type': 'multipart/form-data',
       ...(apiKey && { Authorization: `Bearer ${apiKey}` }),
@@ -338,7 +342,7 @@ class STTService {
 
     try {
       const [provider, sttSchema] = await this.getProviderSchema(req);
-      const language = req.body?.language || '';
+      const language = req.body?.language || sttSchema?.language || '';
       const text = await this.sttRequest(provider, sttSchema, { audioBuffer, audioFile, language });
       res.json({ text });
     } catch (error) {
diff --git a/packages/data-provider/src/config.ts b/packages/data-provider/src/config.ts
index 9bc3822c4b..fb89c7c486 100644
--- a/packages/data-provider/src/config.ts
+++ b/packages/data-provider/src/config.ts
@@ -478,6 +478,8 @@ const sttOpenaiSchema = z.object({
   url: z.string().optional(),
   apiKey: z.string(),
   model: z.string(),
+  language: z.string().optional(),
+  extraParams: z.record(z.unknown()).optional(),
 });
 
 const sttAzureOpenAISchema = z.object({