diff --git a/diskann-providers/src/model/graph/provider/layers/betafilter.rs b/diskann-providers/src/model/graph/provider/layers/betafilter.rs
index 47ce6350b..edd1e3139 100644
--- a/diskann-providers/src/model/graph/provider/layers/betafilter.rs
+++ b/diskann-providers/src/model/graph/provider/layers/betafilter.rs
@@ -112,12 +112,13 @@ where
 ///
 /// The [`BetaComputer`] then uses this ID to consult the filter predicate and adjust the
 /// distance accordingly.
-impl<Provider, Strategy, T, I> SearchStrategy<Provider, T> for BetaFilter<Strategy, I>
+impl<Provider, Strategy, T, I, O> SearchStrategy<Provider, T, O> for BetaFilter<Strategy, I>
 where
     T: ?Sized,
     I: VectorId,
+    O: Send,
     Provider: DataProvider<InternalId = I>,
-    Strategy: SearchStrategy<Provider, T>,
+    Strategy: SearchStrategy<Provider, T, O>,
 {
     /// An accessor that returns the ID in addition to the element yielded by the inner
     /// accessor.