diff --git a/lotus/vector_store/weaviate_vs.py b/lotus/vector_store/weaviate_vs.py
index 702fb51..44eb746 100644
--- a/lotus/vector_store/weaviate_vs.py
+++ b/lotus/vector_store/weaviate_vs.py
@@ -118,9 +118,8 @@ def __call__(self,
             for obj in objects:
                 indices.append(obj.properties.get('content'))
                 # Convert cosine distance to similarity score
-                distance:float = obj.metadata.distance
-                distances.append(1 - distance)  # Convert distance to similarity
-                
+                distance = obj.metadata.distance if obj.metadata and obj.metadata.distance is not None else 1.0
+                distances.append(1 - distance)  # Convert distance to similarity                
             # Pad results if fewer than K matches
             while len(indices) < K:
                 indices.append(-1)