diff --git a/examples/boolean_geometry.scad b/examples/boolean_geometry.scad
index d163f05..27d00b5 100644
--- a/examples/boolean_geometry.scad
+++ b/examples/boolean_geometry.scad
@@ -6,7 +6,7 @@ $fn = 36;
 rgn1 = [
 	square(100),
 	move([50,50], p=circle(d=60)),
-	[[40,40],[40,60],[60,60]]
+	[[35,35],[35,65],[65,65]]
 ];
 
 rgn2 = [