diff -r ca075f0f7cfb -r 33e64afccd3b share/hedgewars/Data/Scripts/Multiplayer/Space_Invasion.lua
--- a/share/hedgewars/Data/Scripts/Multiplayer/Space_Invasion.lua	Tue Jan 21 23:46:48 2014 +0100
+++ b/share/hedgewars/Data/Scripts/Multiplayer/Space_Invasion.lua	Tue Jan 21 23:53:26 2014 +0100
@@ -1001,7 +1001,8 @@
 --------------------------
 
 function onGameInit()
-	GameFlags = 0 + gfRandomOrder
+	ClearGameFlags()
+	EnableGameFlags(gfRandomOrder)
 	Theme = "EarthRise"
 	CaseFreq = 0
 	HealthCaseProb = 0