diff -r ec523f66d0ff -r 3be36d2fdca6 share/hedgewars/Data/Scripts/Multiplayer/Racer.lua
--- a/share/hedgewars/Data/Scripts/Multiplayer/Racer.lua	Tue Jan 21 15:56:52 2014 +0100
+++ b/share/hedgewars/Data/Scripts/Multiplayer/Racer.lua	Tue Jan 21 18:02:37 2014 +0100
@@ -481,7 +481,7 @@
 ----------------------------------
 
 function onGameInit()
-        GameFlags = bor(GameFlags,gfInfAttack + gfInvulnerable)
+        EnableGameFlags(gfInfAttack, gfInvulnerable)
         CaseFreq = 0
         TurnTime = 90000
         WaterRise = 0