diff --git a/Sources/STTextView/Extensions/Geometric+Helpers.swift b/Sources/STTextView/Extensions/Geometric+Helpers.swift
index 0108585..84b4a97 100644
--- a/Sources/STTextView/Extensions/Geometric+Helpers.swift
+++ b/Sources/STTextView/Extensions/Geometric+Helpers.swift
@@ -47,6 +47,14 @@ extension CGRect {
         insetBy(dx: 0, dy: dy)
     }
 
+    func scale(_ scale: CGSize) -> CGRect {
+        applying(.init(scaleX: scale.width, y: scale.height))
+    }
+
+    func margin(_ margin: CGSize) -> CGRect {
+        insetBy(dx: -margin.width / 2, dy: -margin.height / 2)
+    }
+
     func moved(dx: CGFloat = 0, dy: CGFloat = 0) -> CGRect {
         applying(.init(translationX: dx, y: dy))
     }
diff --git a/Sources/STTextView/STTextView+Scrolling.swift b/Sources/STTextView/STTextView+Scrolling.swift
index 4db3598..592020a 100644
--- a/Sources/STTextView/STTextView+Scrolling.swift
+++ b/Sources/STTextView/STTextView+Scrolling.swift
@@ -46,5 +46,4 @@ extension STTextView {
     open override func scrollToEndOfDocument(_ sender: Any?) {
         scroll(CGPoint(x: visibleRect.origin.x, y: frame.maxY))
     }
-
 }
diff --git a/Sources/STTextView/STTextView+Select.swift b/Sources/STTextView/STTextView+Select.swift
index 3048014..ffddcb2 100644
--- a/Sources/STTextView/STTextView+Select.swift
+++ b/Sources/STTextView/STTextView+Select.swift
@@ -7,6 +7,7 @@ import Cocoa
 extension STTextView {
     
     open override func selectAll(_ sender: Any?) {
+        
         if isSelectable {
             textLayoutManager.textSelections = [
                 NSTextSelection(range: textLayoutManager.documentRange, affinity: .downstream, granularity: .line)
diff --git a/Sources/STTextView/STTextView.swift b/Sources/STTextView/STTextView.swift
index 60b19ff..320a09b 100644
--- a/Sources/STTextView/STTextView.swift
+++ b/Sources/STTextView/STTextView.swift
@@ -718,19 +718,19 @@ open class STTextView: NSView, NSTextInput {
 
         if selectionTextRange.isEmpty {
             if let selectionRect = textLayoutManager.textSelectionSegmentFrame(at: selectionTextRange.location, type: .selection) {
-                scrollToVisible(selectionRect)
+                scrollToVisible(selectionRect.margin(.init(width: visibleRect.width * 0.1, height: 0)))
             }
         } else {
             switch selection.affinity {
             case .upstream:
                 if let selectionRect = textLayoutManager.textSelectionSegmentFrame(at: selectionTextRange.location, type: .selection) {
-                    scrollToVisible(selectionRect)
+                    scrollToVisible(selectionRect.margin(.init(width: visibleRect.width * 0.1, height: 0)))
                 }
             case .downstream:
                 if let location = textLayoutManager.location(selectionTextRange.endLocation, offsetBy: -1),
                    let selectionRect = textLayoutManager.textSelectionSegmentFrame(at: location, type: .selection)
                 {
-                    scrollToVisible(selectionRect)
+                    scrollToVisible(selectionRect.margin(.init(width: visibleRect.width * 0.1, height: 0)))
                 }
             @unknown default:
                 break