diff --git a/LuaLibs/WallExec.lua b/LuaLibs/WallExec.lua
index 27141a9..b4f9d9c 100644
--- a/LuaLibs/WallExec.lua
+++ b/LuaLibs/WallExec.lua
@@ -74,7 +74,7 @@ function WallExec.ProcessWalls( dRawL, dRawW, dRawH, vWall, bMachGroupOk, bNewPr
    local nCorner
    local sOrigCorner = WD.ORIG_CORNER or 'BR'
    if WD.GetOrigCorner then
-      sOrigCorner = WD.GetOrigCorner( EgtGetInfo( EgtGetFirstNameInGroup( GDB_ID.ROOT, 'BtlInfo') or GDB_ID.NULL, 'REFPOS', 'i') or 1)
+      sOrigCorner = WD.GetOrigCorner( EgtGetInfo( EgtGetFirstNameInGroup( GDB_ID.ROOT, 'BtlInfo') or GDB_ID.NULL, 'REFPOS', 'i') or 0)
    end 
    if sOrigCorner == 'TL' then
       nCorner = MCH_CR.TL