diff --git a/models/dataset.go b/models/dataset.go
index 7cac6c468..939aa8634 100755
--- a/models/dataset.go
+++ b/models/dataset.go
@@ -62,19 +62,20 @@ func (datasets DatasetList) loadAttributes(e Engine) error {
 	}
 
 	set := make(map[int64]struct{})
+	userIdSet := make(map[int64]struct{})
 	datasetIDs := make([]int64, len(datasets))
 	for i := range datasets {
-		set[datasets[i].UserID] = struct{}{}
+		userIdSet[datasets[i].UserID] = struct{}{}
 		set[datasets[i].RepoID] = struct{}{}
 		datasetIDs[i] = datasets[i].ID
 	}
 
 	// Load owners.
-	users := make(map[int64]*User, len(set))
+	users := make(map[int64]*User, len(userIdSet))
 	repos := make(map[int64]*Repository, len(set))
 	if err := e.
 		Where("id > 0").
-		In("id", keysInt64(set)).
+		In("id", keysInt64(userIdSet)).
 		Find(&users); err != nil {
 		return fmt.Errorf("find users: %v", err)
 	}