From 6bf662cb9ee598a9bcd1b91a7d9293b852b5129b Mon Sep 17 00:00:00 2001
From: Riceball LEE <snowyu.lee@gmail.com>
Date: Tue, 15 Nov 2022 23:46:26 +0800
Subject: [PATCH] set_nametag_attributes: don't reset nametags if text param is
 not touched

fixes #12901
---
 src/script/lua_api/l_object.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/script/lua_api/l_object.cpp b/src/script/lua_api/l_object.cpp
index b63585a31..4b9beaec3 100644
--- a/src/script/lua_api/l_object.cpp
+++ b/src/script/lua_api/l_object.cpp
@@ -721,8 +721,7 @@ int ObjectRef::l_set_nametag_attributes(lua_State *L)
 	}
 	lua_pop(L, 1);
 
-	std::string nametag = getstringfield_default(L, 2, "text", "");
-	prop->nametag = nametag;
+	prop->nametag = getstringfield_default(L, 2, "text", prop->nametag);
 
 	prop->validate();
 	sao->notifyObjectPropertiesModified();