diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index 1cecfab70ec..9f9442a624c 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -14369,6 +14369,8 @@ Field *create_tmp_field_from_field(THD *thd, Field *org_field,
     new_field->stored_in_db= TRUE;
     new_field->cond_selectivity= 1.0;
     new_field->next_equal_field= NULL;
+    new_field->option_list= NULL;
+    new_field->option_struct= NULL;
   }
   return new_field;
 }