diff --git a/assistant/assistant.py b/assistant/assistant.py
index 62eefaf..ce43901 100644
--- a/assistant/assistant.py
+++ b/assistant/assistant.py
@@ -172,7 +172,10 @@ class Assistant(commands.Cog):
         try:
             reply = data["choices"][0]["message"]["content"]
         except (KeyError, IndexError):
-            return "Unexpected API response."
+            return f"Unexpected API response: {str(data)[:300]}"
+
+        if not reply:
+            return f"Empty response. Raw: {str(data)[:300]}"
 
         self.history[key].append({"role": "assistant", "content": reply})