diff --git a/src/plugin-hooks/useSortBy.js b/src/plugin-hooks/useSortBy.js
index 1c0daa8..773d323 100755
--- a/src/plugin-hooks/useSortBy.js
+++ b/src/plugin-hooks/useSortBy.js
@@ -252,7 +252,7 @@ function useMain(instance) {
 
         // If there are sub-rows, sort them
         sortedData.forEach(row => {
-          if (!row.subRows) {
+          if (!row.subRows || row.subRows.length <= 1) {
             return
           }
           row.subRows = sortData(row.subRows)