diff --git a/pkg/models/task_search.go b/pkg/models/task_search.go
index 07aec884f..3f9e92eca 100644
--- a/pkg/models/task_search.go
+++ b/pkg/models/task_search.go
@@ -128,7 +128,7 @@ func getOrderByDBStatement(opts *taskSearchOptions) (orderby string, err error)
 			prefix = "task_positions."
 		}
 
-		if param.sortBy == taskPropertyID || param.sortBy == taskPropertyCreated || param.sortBy == taskPropertyUpdated {
+		if param.sortBy == taskPropertyID || param.sortBy == taskPropertyCreated || param.sortBy == taskPropertyUpdated || param.sortBy == taskPropertyIndex {
 			prefix = "tasks."
 		}