diff --git a/LuaLibs/ProcessLapJoint.lua b/LuaLibs/ProcessLapJoint.lua
index 2c3c8c1..298cde5 100644
--- a/LuaLibs/ProcessLapJoint.lua
+++ b/LuaLibs/ProcessLapJoint.lua
@@ -192,7 +192,8 @@ local function AssignQIdent( Proc)
    Q_STAIRCASE          = ''
    Q_SAW_PLUS_CHAIN     = 'Q11'
    Q_FORCE_CHAINSAW     = 'Q12'
-   Q_NO_ROTATION        = 'Q13'
+   -- TODO da riportare a Q13 quando è sistemata la gestione del movimento in macchina nell'attacco laterale
+   Q_CHAINSAW_FROM_SIDE = 'Q999'
 
    if ( Proc.Grp == 3 or Proc.Grp == 4)  and  Proc.Prc == 16 then
       Q_FORCE_BLADE         = 'Q01' -- i
@@ -967,7 +968,7 @@ function ProcessLapJoint.Classify( Proc, b3Raw)
                end
             end
             
-            local bNoRotation = ( EgtGetInfo( Proc.Id, Q_NO_ROTATION, 'i') or 0) == 1
+            local bNoRotation = ( EgtGetInfo( Proc.Id, Q_CHAINSAW_FROM_SIDE, 'i') or 0) == 1
             if bDown and bNoRotation then
                bDown = false
             end
@@ -3094,7 +3095,7 @@ local function MakeByChainOrSaw( Proc, nPhase, nRawId, nPartId, nFacInd,
          return false, sErr
       end
       local bGoFromHead = true
-      local bAttackFromSide = ( ( EgtGetInfo( Proc.Id, Q_NO_ROTATION, 'i') or 0) == 1)
+      local bAttackFromSide = ( ( EgtGetInfo( Proc.Id, Q_CHAINSAW_FROM_SIDE, 'i') or 0) == 1)
                               and ( Proc.Fct == 4) and ( Proc.Topology == 'Groove')
       -- se normale lungo Z è da sopra: si tenta attacco laterale se richiesto
       if AreSameOrOppositeVectorApprox( Proc.Face[ nFacInd + 1].VtN, Z_AX()) then