diff --git a/src/templates_front/templator_front.org b/src/templates_front/templator_front.org
index d1111dc..6602c47 100644
--- a/src/templates_front/templator_front.org
+++ b/src/templates_front/templator_front.org
@@ -1171,7 +1171,7 @@ trexio_write_$group_dset$_64 (trexio_t* const file, const $group_dset_dtype_doub
   uint32_t rank = $group_dset_rank$;
   uint64_t dims[$group_dset_rank$] = {$group_dset_dim_list$};
 
-  $group_dset_dtype_double$* $group_dset$_p = $group_dset$;
+  $group_dset_dtype_double$* $group_dset$_p = ($group_dset_dtype_double$*) $group_dset$;
 
   /* Handle index type */
   if ($is_index$) {