diff --git a/python/sglang/srt/configs/model_config.py b/python/sglang/srt/configs/model_config.py
index fc0942ecc..41ad51ce0 100644
--- a/python/sglang/srt/configs/model_config.py
+++ b/python/sglang/srt/configs/model_config.py
@@ -1360,6 +1360,7 @@ def is_audio_model(model_architectures: List[str]):
 def is_encoder_decoder_model(model_architectures: List[str]):
     models = [
         "WhisperForConditionalGeneration",
+        "MllamaForConditionalGeneration",
     ]
     return any(model in model_architectures for model in models)