diff --git a/pkg/local_object_storage/internal/testutil/generators.go b/pkg/local_object_storage/internal/testutil/generators.go
index a45ea72aa..4ee92db88 100644
--- a/pkg/local_object_storage/internal/testutil/generators.go
+++ b/pkg/local_object_storage/internal/testutil/generators.go
@@ -81,7 +81,9 @@ type RandObjGenerator struct {
 var _ ObjectGenerator = &RandObjGenerator{}
 
 func (g *RandObjGenerator) Next() *object.Object {
-	return generateObjectWithOIDWithCIDWithSize(oid.ID{}, cid.ID{}, g.ObjSize)
+	var id oid.ID
+	rand.Read(id[:])
+	return generateObjectWithOIDWithCIDWithSize(id, cid.ID{}, g.ObjSize)
 }
 
 // OverwriteObjGenerator is an ObjectGenerator that generates entries with random payloads of size objSize and at most maxObjects distinct IDs.