diff --git a/python/sglang/srt/layers/quantization/deep_gemm_wrapper/configurer.py b/python/sglang/srt/layers/quantization/deep_gemm_wrapper/configurer.py
index 4288fff6e..10fb2e7ba 100644
--- a/python/sglang/srt/layers/quantization/deep_gemm_wrapper/configurer.py
+++ b/python/sglang/srt/layers/quantization/deep_gemm_wrapper/configurer.py
@@ -7,7 +7,8 @@ logger = logging.getLogger(__name__)
 
 def _compute_enable_deep_gemm():
     sm_version = get_device_sm()
-    if sm_version < 90:
+    # TODO fix blackwell fp8
+    if sm_version != 90:
         return False
 
     try: