diff -r 6c66b594b780 -r 91cc6aef818c share/hedgewars/Data/Scripts/TechMaps.lua
--- a/share/hedgewars/Data/Scripts/TechMaps.lua	Tue Jul 14 03:45:27 2015 +0200
+++ b/share/hedgewars/Data/Scripts/TechMaps.lua	Tue Jul 14 20:01:15 2015 +0900
@@ -88,7 +88,12 @@
 end
 
 function onPreviewInit()
-    MapGen = mgDrawn
+
+	if mapID == nil then
+		mapID = 2 + GetRandom(7)
+	end
+
+	MapGen = mgDrawn
     TemplateFilter = 0
 
     for x = 1, 16 do
@@ -1344,6 +1349,8 @@
     FlushPoints()
 end
 
+local bastard = nil
+
 function LoadMap(mID)
 
 	techX = {}