diff --git a/RHPreferences/RHPreferencesWindowController.m b/RHPreferences/RHPreferencesWindowController.m
index 29cb731..9c0b6a5 100644
--- a/RHPreferences/RHPreferencesWindowController.m
+++ b/RHPreferences/RHPreferencesWindowController.m
@@ -31,7 +31,7 @@
 #import "RHPreferencesWindowController.h"
 
 static NSString * const RHPreferencesWindowControllerSelectedItemIdentifier = @"RHPreferencesWindowControllerSelectedItemIdentifier";
-static const CGFloat RHPreferencesWindowControllerResizeAnimationDurationPer100Pixels = 0.13f;
+static const CGFloat RHPreferencesWindowControllerResizeAnimationDurationPer100Pixels = 0.05f;
 
 #pragma mark - Custom Item Placeholder Controller
 @interface RHPreferencesCustomPlaceholderController : NSObject <RHPreferencesViewControllerProtocol> {