diff -r bd74fd83929a share/hedgewars/Data/Maps/CTF_Blizzard/map.lua
--- a/share/hedgewars/Data/Maps/CTF_Blizzard/map.lua	Tue Dec 28 10:31:48 2010 +0100
+++ b/share/hedgewars/Data/Maps/CTF_Blizzard/map.lua	Thu Jan 06 10:49:46 2011 -0500
@@ -153,9 +153,11 @@
 	-- steam and smoke and DUST look good, smokering looks trippy 
 	-- smoketrace and eviltrace are not effected by wind?
 	-- chunk is a LR falling gear
-			tempE = AddVisualGear(eX, eY, vgtDust, 0, false)		
-			g1, g2, g3, g4, g5, g6, g7, g8, g9, g10 = GetVisualGearValues(tempE)
-			SetVisualGearValues(tempE, eX, eY, g3, g4, g5, g6, g7, g8, g9, fCol[i])
+			tempE = AddVisualGear(eX, eY, vgtDust, 0, false)
+            if tempE ~= 0 then
+			    g1, g2, g3, g4, g5, g6, g7, g8, g9, g10 = GetVisualGearValues(tempE)
+			    SetVisualGearValues(tempE, eX, eY, g3, g4, g5, g6, g7, g8, g9, fCol[i])
+            end
 		end
 	end 
 end