diff --git a/python/sglang/multimodal_gen/registry.py b/python/sglang/multimodal_gen/registry.py
index 10c769936..22c441be8 100644
--- a/python/sglang/multimodal_gen/registry.py
+++ b/python/sglang/multimodal_gen/registry.py
@@ -236,7 +236,7 @@ def register_configs(
 
 def get_model_short_name(model_id: str) -> str:
     if "/" in model_id:
-        return model_id.split("/")[-1]
+        return model_id.rstrip("/").split("/")[-1]
     else:
         return model_id