diff --git a/server/lorax_server/adapters/weights.py b/server/lorax_server/adapters/weights.py
index 8055e1022..3ea47e51f 100644
--- a/server/lorax_server/adapters/weights.py
+++ b/server/lorax_server/adapters/weights.py
@@ -106,7 +106,7 @@ def ranks(self) -> Set[int]:
         return set(
             rank_data.rank
             for layer_data in self.data.values()
-            for rank_data in layer_data.get(LORA, []).rank_data.values() if LORA in layer_data
+            for rank_data in layer_data.get(LORA).rank_data.values() if LORA in layer_data
         )
     
     @property