diff --git a/LuaLibs/BeamExec.lua b/LuaLibs/BeamExec.lua
index 97475e9..bc44c97 100644
--- a/LuaLibs/BeamExec.lua
+++ b/LuaLibs/BeamExec.lua
@@ -282,6 +282,7 @@ local function CollectFeatures( PartId, b3Raw, dCurrOvmH, dCurrOvmT)
             local nAddMainId = EgtGetInfo( ProcId, 'MAINID', 'i')
             if nGrp and nPrc and nDo == 1 then
                local Proc = {}
+               Proc.PartId = PartId
                Proc.Id = ProcId
                Proc.Grp = nGrp
                Proc.Prc = nPrc
diff --git a/LuaLibs/ProcessLapJoint.lua b/LuaLibs/ProcessLapJoint.lua
index 8b8aa02..1fee8d5 100644
--- a/LuaLibs/ProcessLapJoint.lua
+++ b/LuaLibs/ProcessLapJoint.lua
@@ -5189,7 +5189,7 @@ local function MakeMoreFaces( Proc, nPhase, nRawId, nPartId, dOvmHead, bSinglePa
                         -- 3 facce non a L ma con una faccia favorevole a Y, oppure
                         -- 4 facce
                         -- lancio la MakePocket ( lavorazione solo da un lato, fondo della tasca la faccia più favorevole a Y)
-                        if bForceSideMill and (( Proc.Fct == 3 and bIsL) or ( ( Proc.Fct == 3 or Proc.Fct == 2) and abs( vtNFacApproxY:getY()) >= 0.707 ) or Proc.Fct == 4) then
+                        if bForceSideMill and (( Proc.Fct == 3 and bIsL) or ( ( Proc.Fct == 3 or Proc.Fct == 2) and abs( vtNFacApproxY:getY()) >= 0.707 ) or ( Proc.Fct == 4 and Proc.Topology == 'Groove')) then
                            nFacInd, vtN, ptC = nFacApproxY, vtNFacApproxY, ptCFacApproxY
                            local tvtNx = {}
                            tvtNx[2] = vtN