diff --git a/server/index.js b/server/index.js
index 5c8fff2..dae8c48 100644
--- a/server/index.js
+++ b/server/index.js
@@ -1207,7 +1207,7 @@ app.post("/api/deepseek/chat", requireAuth, async (req, res) => {
       return res.status(500).json({ error: "DeepSeek API key not configured" });
     }
 
-    const { temperature = 0.8, max_tokens = 1000 } = req.body;
+    const { messages, temperature = 0.8, max_tokens = 1000 } = req.body;
     const sanitizedMessages = sanitizeDeepSeekMessages(messages);
     const clampedMaxTokens = Math.min(
       max_tokens,
@@ -1268,7 +1268,7 @@ app.post("/api/deepseek/chat/stream", requireAuth, async (req, res) => {
       return res.status(500).json({ error: "DeepSeek API key not configured" });
     }
 
-    const { temperature = 0.8, max_tokens = 1000 } = req.body;
+    const { messages, temperature = 0.8, max_tokens = 1000 } = req.body;
     const sanitizedMessages = sanitizeDeepSeekMessages(messages);
     const clampedMaxTokens = Math.min(
       max_tokens,