diff --git a/OpenRa.Game/GameRules/Rules.cs b/OpenRa.Game/GameRules/Rules.cs
index 70a3acdb5e..3a9c135180 100755
--- a/OpenRa.Game/GameRules/Rules.cs
+++ b/OpenRa.Game/GameRules/Rules.cs
@@ -30,18 +30,18 @@ namespace OpenRa.Game
 				AllRules = new IniFile(
 					FileSystem.Open( "session.ini" ),
 					FileSystem.Open( mapFileName ),
+					FileSystem.Open("aftermathUnits.ini"),
+					FileSystem.Open("units.ini"),
 					FileSystem.Open( "aftrmath.ini" ),
 					FileSystem.Open( "rules.ini" ),
-					FileSystem.Open( "aftermathUnits.ini" ),
-					FileSystem.Open( "units.ini" ),
 					FileSystem.Open("campaignUnits.ini"),
 					FileSystem.Open("trees.ini"));
 			else
 				AllRules = new IniFile(
 					FileSystem.Open("session.ini"),
 					FileSystem.Open(mapFileName),
-					FileSystem.Open("rules.ini"),
 					FileSystem.Open("units.ini"),
+					FileSystem.Open("rules.ini"),
 					FileSystem.Open("campaignUnits.ini"),
 					FileSystem.Open("trees.ini"));