diff --git a/modules/indexer/issues/internal/model.go b/modules/indexer/issues/internal/model.go
index 09dcbf4804..1c9e3531cd 100644
--- a/modules/indexer/issues/internal/model.go
+++ b/modules/indexer/issues/internal/model.go
@@ -98,7 +98,8 @@ type SearchOptions struct {
 
 	PosterID optional.Option[int64] // poster of the issues
 
-	AssigneeID optional.Option[int64] // assignee of the issues, zero means no assignee
+	AssigneeID      optional.Option[int64] // assignee of the issues, zero means no assignee
+	AnyAssigneeOnly bool                   // if the issues have any assignee (non-zero), if true, AssigneeID will be ignored
 
 	MentionID optional.Option[int64] // mentioned user of the issues