diff --git a/AppKit/Themes/Aristo/Resources/scroller-vertical-track.png b/AppKit/Themes/Aristo/Resources/scroller-vertical-track.png
index 9a2c7d9cb..7954ac948 100644
Binary files a/AppKit/Themes/Aristo/Resources/scroller-vertical-track.png and b/AppKit/Themes/Aristo/Resources/scroller-vertical-track.png differ
diff --git a/AppKit/Themes/Aristo/ThemeDescriptors.j b/AppKit/Themes/Aristo/ThemeDescriptors.j
index a633b849a..8e8c96a6a 100644
--- a/AppKit/Themes/Aristo/ThemeDescriptors.j
+++ b/AppKit/Themes/Aristo/ThemeDescriptors.j
@@ -169,7 +169,7 @@
         disabledTrackColor = PatternColor([_CPCibCustomResource imageResourceWithName:"scroller-vertical-track-disabled.png" size:CGSizeMake(15.0, 1.0)]);
         
     [scroller setValue:17.0 forThemeAttribute:@"minimum-knob-length" inState:CPThemeStateVertical];
-    [scroller setValue:CGInsetMake(0.0, 1.0, 0.0, 1.0) forThemeAttribute:@"knob-inset" inState:CPThemeStateVertical];
+    [scroller setValue:CGInsetMake(0.0, 0.0, 0.0, 1.0) forThemeAttribute:@"knob-inset" inState:CPThemeStateVertical];
     [scroller setValue:CGInsetMake(-10.0, 0.0, -10.0, 0.0) forThemeAttribute:@"track-inset" inState:CPThemeStateVertical];
 
     [scroller setValue:trackColor forThemeAttribute:@"knob-slot-color" inState:CPThemeStateVertical];