diff --git a/LuaLibs/ProcessLapJoint.lua b/LuaLibs/ProcessLapJoint.lua
index f016056..520df4a 100644
--- a/LuaLibs/ProcessLapJoint.lua
+++ b/LuaLibs/ProcessLapJoint.lua
@@ -4487,7 +4487,7 @@ local function MakeMoreFaces( Proc, nPhase, nRawId, nPartId, dOvmHead, bSinglePa
    if Proc.Topology == 'Pocket' and ( Proc.IsParallel or Proc.AllRightAngles) and not bClosedOrthoFaces then
       nFacInd = Topology.GetFacesWithGivenAdjacencyNumber( Proc, 4)[1]
       nFacInd2 = nil
-      dElev = Proc.Face[ nFacInd + 1].Elevation
+      dFacElev = Proc.Face[ nFacInd + 1].Elevation
    end
    -- se proviene da divisione in parti lungo X ed è un tunnel non è fattibile
    if not bSinglePart and bClosedOrthoFaces then