diff --git a/front/lib/api/tables.ts b/front/lib/api/tables.ts
index 043c687b5c4f..bb64a7c671e5 100644
--- a/front/lib/api/tables.ts
+++ b/front/lib/api/tables.ts
@@ -373,11 +373,10 @@ export async function rowsFromCsv({
   const valuesByCol: Record<string, string[]> = Object.create(null);
   for await (const anyRecord of parser) {
     if (i++ >= rowIndex) {
-      const record = anyRecord as string[];
       for (const [i, h] of header.entries()) {
         try {
           valuesByCol[h] ??= [];
-          (valuesByCol[h] as string[]).push(record[i] ?? "");
+          valuesByCol[h].push((anyRecord[i] ?? "").toString());
         } catch (e) {
           logger.error(
             // temporary log to fix the valuesByCol[h].push is not a function error