diff --git a/Mechanical/OpenSCAD/Enclosure.scad b/Mechanical/OpenSCAD/Enclosure.scad
index 87f0a3f..114b4fc 100644
--- a/Mechanical/OpenSCAD/Enclosure.scad
+++ b/Mechanical/OpenSCAD/Enclosure.scad
@@ -36,7 +36,7 @@ rail_h = 4.25; // to top of rail
 // Boss locations matching the other Framework Expansion Cards
 boss_inc_x = 4.2;
 boss_r = 1.5;
-boss_inc_y = 18.5+boss_r;
+boss_inc_y = 21;
 
 boss_ext_y = 8.57;
 boss_ext_x = 4;