diff --git a/pkg/storage/unified/sql/backend.go b/pkg/storage/unified/sql/backend.go
index a4df140d541..2560943c92b 100644
--- a/pkg/storage/unified/sql/backend.go
+++ b/pkg/storage/unified/sql/backend.go
@@ -711,7 +711,9 @@ func (b *backend) ListModifiedSince(ctx context.Context, key resource.Namespaced
 
 			if mr.Key.Name <= lastSeen {
 				// resource names should be sorted alphabetically. So if not, the query is not correct.
-				yield(nil, fmt.Errorf("listModifiedSince: resources are not sorted by name ASC, lastSeen: %q, current: %q", lastSeen, mr.Key.Name))
+				if !yield(nil, fmt.Errorf("listModifiedSince: resources are not sorted by name ASC, lastSeen: %q, current: %q", lastSeen, mr.Key.Name)) {
+					return
+				}
 			}
 
 			lastSeen = mr.Key.Name