diff --git a/mysql-test/main/func_json.test b/mysql-test/main/func_json.test
index f3271f6bd3fde..e3d98d7525702 100644
--- a/mysql-test/main/func_json.test
+++ b/mysql-test/main/func_json.test
@@ -24,10 +24,7 @@ select json_array(1);
 --disable_view_protocol
 select json_array(1, "text", false, null);
 
-#enable after fix MDEV-31554
---disable_cursor_protocol
 select json_array_append('["a", "b"]', '$', FALSE);
---enable_cursor_protocol
 --enable_view_protocol
 select json_array_append('{"k1":1, "k2":["a", "b"]}', '$.k2', 2);
 select json_array_append('["a", ["b", "c"], "d"]', '$[0]', 2);
diff --git a/sql/item.h b/sql/item.h
index 55ff46c7af80a..7bad7801bbb41 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -4631,10 +4631,10 @@ class Item_bool :public Item_int
 {
 public:
   Item_bool(THD *thd, const char *str_arg, longlong i):
-    Item_int(thd, str_arg, i, 1) {}
-  Item_bool(THD *thd, bool i) :Item_int(thd, (longlong) i, 1) { }
+    Item_int(thd, str_arg, i, 5) {}
+  Item_bool(THD *thd, bool i) :Item_int(thd, (longlong) i, 5) { }
   Item_bool(const char *str_arg, longlong i):
-    Item_int(str_arg, i, 1) {}
+    Item_int(str_arg, i, 5) {}
   bool is_bool_literal() const override { return true; }
   Item *neg_transformer(THD *thd) override;
   const Type_handler *type_handler() const override