diff --git a/python/sglang/srt/layers/moe/hash_topk.py b/python/sglang/srt/layers/moe/hash_topk.py
index b7befbae9..a9a438909 100644
--- a/python/sglang/srt/layers/moe/hash_topk.py
+++ b/python/sglang/srt/layers/moe/hash_topk.py
@@ -254,8 +254,7 @@ class HashTopK(nn.Module):
         log2phy_prob = None
         if (
             expert_location_dispatch_info is not None
-            and getattr(expert_location_dispatch_info, "ep_dispatch_algorithm", None)
-            == "lp"
+            and expert_location_dispatch_info.ep_dispatch_algorithm == "lp"
         ):
             if self.layer_id is None:
                 raise RuntimeError("HashTopK LP dispatch requires layer_id.")
diff --git a/python/sglang/srt/layers/moe/topk.py b/python/sglang/srt/layers/moe/topk.py
index c090ef227..36b8aa92d 100644
--- a/python/sglang/srt/layers/moe/topk.py
+++ b/python/sglang/srt/layers/moe/topk.py
@@ -2147,8 +2147,7 @@ def _post_process_topk_ids(
         log2phy_prob = None
         if (
             expert_location_dispatch_info is not None
-            and getattr(expert_location_dispatch_info, "ep_dispatch_algorithm", None)
-            == "lp"
+            and expert_location_dispatch_info.ep_dispatch_algorithm == "lp"
         ):
             from sglang.srt.eplb.lplb_solver import get_global_lplb_solver
 
diff --git a/test/registered/unit/eplb/test_waterfill_eplb.py b/test/registered/unit/eplb/test_waterfill_eplb.py
index 118ab4a8f..b060bdb20 100644
--- a/test/registered/unit/eplb/test_waterfill_eplb.py
+++ b/test/registered/unit/eplb/test_waterfill_eplb.py
@@ -64,7 +64,9 @@ class TestWaterfillEPLB(CustomTestCase):
             num_fused_shared_experts=1,
             routed_scaling_factor=1.0,
         )
-        dispatch_info = SimpleNamespace(num_physical_experts=264)
+        dispatch_info = SimpleNamespace(
+            num_physical_experts=264, ep_dispatch_algorithm="static"
+        )
 
         def fake_eplb_postprocess(
             ids, expert_location_dispatch_info, num_token_non_padded
@@ -104,7 +106,9 @@ class TestWaterfillEPLB(CustomTestCase):
             num_fused_shared_experts=1,
             routed_scaling_factor=1.0,
         )
-        dispatch_info = SimpleNamespace(num_physical_experts=264)
+        dispatch_info = SimpleNamespace(
+            num_physical_experts=264, ep_dispatch_algorithm="static"
+        )
 
         def fake_eplb_postprocess(
             ids, expert_location_dispatch_info, num_token_non_padded