diff --git a/init.lua b/init.lua
index e4e9c8e..fa55bdd 100644
--- a/init.lua
+++ b/init.lua
@@ -24,7 +24,7 @@ local auth_filter = AuthFilter( world_path, "greenlist.mt" )
 local auth_db = AuthDatabase( world_path, "auth.db" )
 local auth_watchdog = AuthWatchdog( )
 local is_50 = minetest.has_feature("object_use_texture_alpha")
-local is_54 = minetest.has_feature("object_use_texture_alpha")
+local is_54 = minetest.has_feature("direct_velocity_on_players")
 
 if is_50 then
 	if minetest.register_on_auth_fail then