diff --git a/python/sglang/srt/layers/quantization/compressed_tensors/compressed_tensors.py b/python/sglang/srt/layers/quantization/compressed_tensors/compressed_tensors.py
index b0a664460..bf4fa827a 100644
--- a/python/sglang/srt/layers/quantization/compressed_tensors/compressed_tensors.py
+++ b/python/sglang/srt/layers/quantization/compressed_tensors/compressed_tensors.py
@@ -40,6 +40,13 @@ from sglang.srt.layers.quantization.compressed_tensors.utils import (
     should_ignore_layer,
 )
 
+try:
+    import vllm
+
+    VLLM_AVAILABLE = True
+except ImportError:
+    VLLM_AVAILABLE = False
+
 logger = logging.getLogger(__name__)
 
 __all__ = ["CompressedTensorsLinearMethod"]