diff --git a/mesecons/wires.lua b/mesecons/wires.lua
index 12b5de7..e4c7e6a 100644
--- a/mesecons/wires.lua
+++ b/mesecons/wires.lua
@@ -40,8 +40,8 @@ else  -- NEW STYLE WIRES
 -- y always means y+
 
 box_center = {-1/16, -.5, -1/16, 1/16, -.5+1/16, 1/16}
-box_bump1 =  { -3/16, -8/16,  -3/16, 3/16, -13/32, 3/16 }
-box_bump2 =  { -5/32, -13/32, -5/32, 5/32, -12/32, 5/32 }
+box_bump1 =  { -2/16, -8/16,  -2/16, 2/16, -13/32, 2/16 }
+box_bump2 =  { -3/32, -13/32, -3/32, 3/32, -12/32, 3/32 }
 
 box_xp = {1/16, -.5, -1/16, 8/16, -.5+1/16, 1/16}
 box_zp = {-1/16, -.5, 1/16, 1/16, -.5+1/16, 8/16}
@@ -87,7 +87,8 @@ for zmy=0, 1 do
 	if zpy == 1 then table.insert(nodebox, box_zpy) end
 	if xmy == 1 then table.insert(nodebox, box_xmy) end
 	if zmy == 1 then table.insert(nodebox, box_zmy) end
-	if adjx and adjz then
+	nobump = xp+zp+xm+zm
+	if adjx and adjz and (nobump > 2) then
 		table.insert(nodebox, box_bump1)
 		table.insert(nodebox, box_bump2)
 		tiles_off = {