diff --git a/CadQuery/Libs/cadquery/CQ.py b/CadQuery/Libs/cadquery/CQ.py
index 708f6de..b25a7b8 100644
--- a/CadQuery/Libs/cadquery/CQ.py
+++ b/CadQuery/Libs/cadquery/CQ.py
@@ -2336,12 +2336,14 @@ class Workplane(CQ):
             """
             (xp, yp, zp) = pnt.toTuple()
 
-            if centered[0]:
-                xp -= radius * direct.x
-            if centered[1]:
-                yp -= radius * direct.y
-            if centered[2]:
-                zp -= radius * direct.z
+            if not centered[0]:
+                xp += radius * direct.x
+
+            if not centered[1]:
+                yp += radius * direct.y
+
+            if not centered[2]:
+                zp += radius * direct.z
 
             return Solid.makeSphere(radius, Vector(xp, yp, zp), direct, angle1, angle2, angle3)