diff --git a/Beam/BeamData.lua b/Beam/BeamData.lua
index 9e98975..1f77ea9 100644
--- a/Beam/BeamData.lua
+++ b/Beam/BeamData.lua
@@ -110,8 +110,8 @@ if EgtExistsFile( sData) then
          if Machine.Offsets.MAX_ANGLE_DRILL_CUT then BeamData.MAX_ANGLE_DRILL_CUT = EgtClamp( Machine.Offsets.MAX_ANGLE_DRILL_CUT, 1, 89) end
          if Machine.Offsets.ROT90 ~= nil then BeamData.ROT90 = ( Machine.Offsets.ROT90 == 1) end
          if Machine.Offsets.CUT_SIC then BeamData.CUT_SIC = EgtClamp( Machine.Offsets.CUT_SIC, 15, 50) end
-         if Machine.Offsets.MIN_JOIN_S then BeamData.MIN_JOIN_S = Machine.Offsets.MIN_JOIN_S end
-         if Machine.Offsets.MIN_JOIN_L then BeamData.MIN_JOIN_L = Machine.Offsets.MIN_JOIN_L end
+         if Machine.Offsets.MIN_JOIN_S then BeamData.MIN_JOIN_S = EgtClamp( Machine.Offsets.MIN_JOIN_S, 80, 150) end
+         if Machine.Offsets.MIN_JOIN_L then BeamData.MIN_JOIN_L = EgtClamp( Machine.Offsets.MIN_JOIN_L, 300, 450) end
       end
       if Machine.Trave then
          BeamData.MIN_WIDTH = Machine.Trave.XMIN or BeamData.MIN_WIDTH