diff --git a/src/box/lua/console.c b/src/box/lua/console.c
index d437ff3fe737bc078d024cffd4c95ce72fa0928d..734c0ee479ea6dea022901a340713dfc675ad99b 100644
--- a/src/box/lua/console.c
+++ b/src/box/lua/console.c
@@ -352,7 +352,7 @@ lbox_console_add_history(struct lua_State *L)
  *         parameter.
  */
 static int
-lbox_console_format(struct lua_State *L)
+lbox_console_format_yaml(struct lua_State *L)
 {
 	int arg_count = lua_gettop(L);
 	if (arg_count == 0) {
diff --git a/src/box/lua/console.lua b/src/box/lua/console.lua
index 2add9a79d5e74a8d60450caffef45ad11b8c574d..5642ca956d56f4cebd0f2a7f2ac58ab71653b4ca 100644
--- a/src/box/lua/console.lua
+++ b/src/box/lua/console.lua
@@ -53,7 +53,7 @@ output_handlers["yaml"] = function(status, opts, ...)
     local err
     if status then
         -- serializer can raise an exception
-        status, err = pcall(internal.format, ...)
+        status, err = pcall(internal.format_yaml, ...)
         if status then
             return err
         else
@@ -66,7 +66,7 @@ output_handlers["yaml"] = function(status, opts, ...)
             err = box.NULL
         end
     end
-    return internal.format({ error = err })
+    return internal.format_yaml({ error = err })
 end
 
 -- A map for internal symbols in case if they