diff --git a/optuna_dashboard/ts/components/DataGrid.tsx b/optuna_dashboard/ts/components/DataGrid.tsx
index d19ec9d9..24e45dc7 100644
--- a/optuna_dashboard/ts/components/DataGrid.tsx
+++ b/optuna_dashboard/ts/components/DataGrid.tsx
@@ -359,7 +359,9 @@ function stableSort<T>(
   stabilizedThis.sort((a, b) => {
     if (less) {
       const ascending = order == "asc"
-      const result = ascending ? -less(a[0], b[0], ascending) : less(a[0], b[0], ascending)
+      const result = ascending
+        ? -less(a[0], b[0], ascending)
+        : less(a[0], b[0], ascending)
       if (result !== 0) return result
     } else {
       const result = comparator(a[0], b[0])
diff --git a/standalone_app/src/components/DataGrid.tsx b/standalone_app/src/components/DataGrid.tsx
index d19ec9d9..24e45dc7 100644
--- a/standalone_app/src/components/DataGrid.tsx
+++ b/standalone_app/src/components/DataGrid.tsx
@@ -359,7 +359,9 @@ function stableSort<T>(
   stabilizedThis.sort((a, b) => {
     if (less) {
       const ascending = order == "asc"
-      const result = ascending ? -less(a[0], b[0], ascending) : less(a[0], b[0], ascending)
+      const result = ascending
+        ? -less(a[0], b[0], ascending)
+        : less(a[0], b[0], ascending)
       if (result !== 0) return result
     } else {
       const result = comparator(a[0], b[0])
diff --git a/standalone_app/src/components/TrialTable.tsx b/standalone_app/src/components/TrialTable.tsx
index 5a0efc96..97a04f3c 100644
--- a/standalone_app/src/components/TrialTable.tsx
+++ b/standalone_app/src/components/TrialTable.tsx
@@ -65,7 +65,7 @@ export const TrialTable: FC<{
             return 0
           }
           if (firstVal === undefined) {
-            return ascending ? -1 : 1 
+            return ascending ? -1 : 1
           } else if (secondVal === undefined) {
             return ascending ? 1 : -1
           }