diff --git a/rtcllm/a2a.py b/rtcllm/a2a.py
index 1f6c47a..6bf836c 100644
--- a/rtcllm/a2a.py
+++ b/rtcllm/a2a.py
@@ -8,7 +8,7 @@ class LLMAudioStreamTrack(AudioStreamTrack):
 	def __init__(self, ckpt_dir):
 		super().__init__()
 		self.ckpt_dir = ckpt_dir
-		self.oi = OmniInference(ckpt_dir=chpt_dir)
+		self.oi = OmniInference(ckpt_dir=ckpt_dir)
 		self.audio_iters = []
 		self.cur_iters = None