diff --git a/kormoran.scad b/kormoran.scad
index 66aca11..66c3e71 100644
--- a/kormoran.scad
+++ b/kormoran.scad
@@ -68,8 +68,8 @@ difference() {
       translate([0,60]) rotate(45) square(A, center=true);
 
       difference() {
-        circle(d=90+BD);
-        circle(d=65+BD);
+        circle(d=90+BD, $fn=100);
+        circle(d=65+BD, $fn=100);
       }
     }
   }