diff --git a/mods/rp_default/functions.lua b/mods/rp_default/functions.lua
index 2f88ce0..bf5bfb1 100644
--- a/mods/rp_default/functions.lua
+++ b/mods/rp_default/functions.lua
@@ -355,19 +355,20 @@ minetest.register_lbm(
    }
 )
 
--- Update nodes after the rename orgy after 1.5.3
+-- Update sign formspecs/infotexts
 minetest.register_lbm(
    {
       label = "Update signs",
-      name = "rp_default:update_signs",
-      nodenames = {"rp_default:sign"},
+      name = "rp_default:update_signs_2_2_0",
+      nodenames = {"group:sign"},
       action = function(pos, node)
          local meta = minetest.get_meta(pos)
-         local text = meta:get_string("text")
-         meta:set_string("infotext", S('"@1"', text))
+         default.refresh_sign(meta)
       end
    }
 )
+
+-- Update nodes after the rename orgy after 1.5.3
 minetest.register_lbm(
    {
       label = "Update bookshelves",
diff --git a/mods/rp_default/sign.lua b/mods/rp_default/sign.lua
index 831968f..c7fd280 100644
--- a/mods/rp_default/sign.lua
+++ b/mods/rp_default/sign.lua
@@ -2,12 +2,17 @@ local S = minetest.get_translator("rp_default")
 
 local SIGN_MAX_TEXT_LENGTH = 500
 
+default.refresh_sign = function(meta)
+	meta:set_string("formspec", rp_formspec.get_page("rp_default:field"))
+	local text = meta:get_string("text")
+	-- Show sign text in quotation marks
+	meta:set_string("infotext", S('"@1"', text))
+end
+
 local on_construct = function(pos)
 	local meta = minetest.get_meta(pos)
-	meta:set_string("formspec", rp_formspec.get_page("rp_default:field"))
-	-- Show empty sign text in quotation marks
-	meta:set_string("infotext", S('""'))
 	meta:set_string("text", "")
+	default.refresh_sign(meta)
 end
 local on_receive_fields = function(pos, formname, fields, sender)
 	if fields.text == nil then return end