diff --git a/vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py b/vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py
index e82ef910c..aef2848dc 100644
--- a/vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py
+++ b/vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py
@@ -302,7 +302,7 @@ class NixlConnector(KVConnectorBase_V1):
     @property
     def prefer_cross_layer_blocks(self) -> bool:
         backend = get_current_attn_backend(self._vllm_config)
-        if backend().get_name() not in (
+        if backend.get_name() not in (
             "FLASH_ATTN",
             "FLASHINFER",
         ):