diff --git a/telegram/claude_subprocess.py b/telegram/claude_subprocess.py
index 9b09345..cc054ce 100644
--- a/telegram/claude_subprocess.py
+++ b/telegram/claude_subprocess.py
@@ -153,10 +153,11 @@ class ClaudeSubprocess:
         if self._persona:
             if "system_prompt" in self._persona:
                 cmd.extend(["--system-prompt", self._persona["system_prompt"]])
-            if "max_turns" in self._persona:
-                cmd.extend(["--max-turns", str(self._persona["max_turns"])])
-            if "model" in self._persona:
-                cmd.extend(["--model", self._persona["model"]])
+            settings = self._persona.get("settings", {})
+            if "max_turns" in settings:
+                cmd.extend(["--max-turns", str(settings["max_turns"])])
+            if "model" in settings:
+                cmd.extend(["--model", settings["model"]])
 
         # Add --continue if prior session exists
         if (self._session_dir / ".claude").exists():