diff --git a/Tools/nib2cib/NSSlider.j b/Tools/nib2cib/NSSlider.j
index 0781c46e3..239aa42cd 100644
--- a/Tools/nib2cib/NSSlider.j
+++ b/Tools/nib2cib/NSSlider.j
@@ -46,7 +46,7 @@
         var frame = [self frame];
 
         if ([self sliderType] === CPCircularSlider)
-            [self setFrameSize:CGSizeMake(frame.size.width + 4.0, frame.size.height + 2.0)];
+            [self setFrameSize:CGSizeMake(frame.size.width + 2.0, frame.size.height + 2.0)];
         else
             [self setFrame:CGRectMake(frame.origin.x + 2, frame.origin.y, frame.size.width - 4, frame.size.height)];
     }