diff --git a/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Rendering/TextView.cs b/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Rendering/TextView.cs
index 5a81b6717f..58f1c059a1 100644
--- a/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Rendering/TextView.cs
+++ b/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Rendering/TextView.cs
@@ -811,7 +811,7 @@ namespace ICSharpCode.AvalonEdit.Rendering
 		/// Additonal amount that allows horizontal scrolling past the end of the longest line.
 		/// This is necessary to ensure the caret always is visible, even when it is at the end of the longest line.
 		/// </summary>
-		const double AdditionalHorizontalScrollAmount = 30;
+		const double AdditionalHorizontalScrollAmount = 3;
 		
 		Size lastAvailableSize;
 		bool inMeasure;