diff --git a/kernel/sql/av.go b/kernel/sql/av.go
index a1175dd19..85db7c0f8 100644
--- a/kernel/sql/av.go
+++ b/kernel/sql/av.go
@@ -352,7 +352,7 @@ func fillAttributeViewAutoGeneratedValues(attrView *av.AttributeView, collection
 
 				for _, blockID := range relVal.Relation.BlockIDs {
 					destVal := destAv.GetValue(rollupKey.Rollup.KeyID, blockID)
-					if nil != viewable && nil == destVal && av.KeyTypeTemplate == destKey.Type {
+					if nil != viewable && av.KeyTypeTemplate == destKey.Type {
 						destVal = viewable.(av.Collection).GetValue(blockID, destKey.ID)
 					}