diff --git a/python/sglang/srt/layers/moe/utils.py b/python/sglang/srt/layers/moe/utils.py
index 65da83c0ec44..0d5fa7ddbce4 100644
--- a/python/sglang/srt/layers/moe/utils.py
+++ b/python/sglang/srt/layers/moe/utils.py
@@ -26,6 +26,7 @@ class MoeA2ABackend(Enum):
     MORI = "mori"
     ASCEND_FUSEEP = "ascend_fuseep"
     FLASHINFER = "flashinfer"
+    CUSTOMIZED = "customized"
 
     @classmethod
     def _missing_(cls, value):
@@ -57,6 +58,9 @@ def is_ascend_fuseep(self):
     def is_mori(self):
         return self == MoeA2ABackend.MORI
 
+    def is_customized(self):
+        return self == MoeA2ABackend.CUSTOMIZED
+
 
 class MoeRunnerBackend(Enum):