diff --git a/opencti-platform/opencti-front/src/components/dataGrid/components/DataTableHeader.tsx b/opencti-platform/opencti-front/src/components/dataGrid/components/DataTableHeader.tsx
index a8f902d3c7bb7..a86892c2cd125 100644
--- a/opencti-platform/opencti-front/src/components/dataGrid/components/DataTableHeader.tsx
+++ b/opencti-platform/opencti-front/src/components/dataGrid/components/DataTableHeader.tsx
@@ -95,7 +95,7 @@ const DataTableHeader: FunctionComponent<DataTableHeaderProps> = ({
         }}
       >
         <Tooltip title={t_i18n(column.label)}>
-          <span style={{ fontSize: '13px' }}>{t_i18n(column.label).toUpperCase()}</span>
+          <span style={{ fontSize: '12px' }}>{t_i18n(column.label).toUpperCase()}</span>
         </Tooltip>
         {sortBy && (orderAsc ? <ArrowDropUp /> : <ArrowDropDown />)}
       </div>