diff --git a/src/EditorView.swift b/src/EditorView.swift
index e5cf9be..ddc5cb2 100644
--- a/src/EditorView.swift
+++ b/src/EditorView.swift
@@ -758,7 +758,7 @@ struct EditorTextView: NSViewRepresentable {
         textView.isAutomaticLinkDetectionEnabled = false
 
         textView.textContainerInset = NSSize(width: 4, height: 8)
-        textView.textContainer?.widthTracksTextView = true
+        textView.textContainer?.widthTracksTextView = false
         textView.registerForDraggedTypes([.fileURL])
 
         scrollView.documentView = textView
@@ -1909,6 +1909,12 @@ class LineNumberTextView: NSTextView {
         return NSPoint(x: LineNumberTextView.gutterWidth, y: textContainerInset.height)
     }
 
+    override func setFrameSize(_ newSize: NSSize) {
+        super.setFrameSize(newSize)
+        let insetWidth = textContainerInset.width
+        textContainer?.size.width = newSize.width - LineNumberTextView.gutterWidth - insetWidth
+    }
+
     override func drawInsertionPoint(in rect: NSRect, color: NSColor, turnedOn flag: Bool) {
         var widened = rect
         widened.size.width = 2