diff --git a/src/channel.c b/src/channel.c
index 3aec7c8..5f03068 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -2263,7 +2263,10 @@
     while (item != NULL)
     {
 	list_T	    *l = item->jq_value->vval.v_list;
-	typval_T    *tv = &l->lv_first->li_tv;
+	typval_T    *tv;
+
+	range_list_materialize(l);
+	tv = &l->lv_first->li_tv;
 
 	if ((without_callback || !item->jq_no_callback)
 	    && ((id > 0 && tv->v_type == VAR_NUMBER && tv->vval.v_number == id)