diff --git a/src/lists/RecordList.jsx b/src/lists/RecordList.jsx
index abbdb3a..7f18a74 100644
--- a/src/lists/RecordList.jsx
+++ b/src/lists/RecordList.jsx
@@ -158,15 +158,14 @@ class RecordList extends Component {
                   sx={{ cursor: onEdit ? 'pointer' : undefined }}
                   onClick={() => this.handleRowClick(row)}
                 >
-                  {columns.map((col) => (
                     <TableCell
                       key={col.key}
                       align={col.align}
                       padding={col.padding}
+                      sx={col.mono || col.key === 'number' || col.key === 'sku' ? { fontFamily: 'monospace' } : undefined}
                     >
                       {col.render ? col.render(row) : row[col.key]}
                     </TableCell>
-                  ))}
                   {hasActions ? (
                     <TableCell
                       padding="checkbox"