diff --git a/Libraries/LibGUI/TextEditor.cpp b/Libraries/LibGUI/TextEditor.cpp
index 85f166d35b..5de7dab05a 100644
--- a/Libraries/LibGUI/TextEditor.cpp
+++ b/Libraries/LibGUI/TextEditor.cpp
@@ -1197,6 +1197,7 @@ void TextEditor::delete_selection()
 
 void TextEditor::insert_at_cursor_or_replace_selection(const StringView& text)
 {
+    ReflowDeferrer defer(*this);
     ASSERT(!is_readonly());
     if (has_selection())
         delete_selection();
@@ -1224,6 +1225,7 @@ void TextEditor::paste()
 {
     if (is_readonly())
         return;
+
     auto paste_text = Clipboard::the().data();
     printf("Paste: \"%s\"\n", paste_text.characters());
 
@@ -1231,6 +1233,20 @@ void TextEditor::paste()
     insert_at_cursor_or_replace_selection(paste_text);
 }
 
+void TextEditor::defer_reflow()
+{
+    ++m_reflow_deferred;
+}
+
+void TextEditor::undefer_reflow()
+{
+    ASSERT(m_reflow_deferred);
+    if (!--m_reflow_deferred) {
+        if (m_reflow_requested)
+            recompute_all_visual_lines();
+    }
+}
+
 void TextEditor::enter_event(Core::Event&)
 {
     ASSERT(window());
@@ -1359,6 +1375,11 @@ void TextEditor::clear_selection()
 
 void TextEditor::recompute_all_visual_lines()
 {
+    if (m_reflow_deferred) {
+        m_reflow_requested = true;
+        return;
+    }
+
     int y_offset = 0;
     for (size_t line_index = 0; line_index < line_count(); ++line_index) {
         recompute_visual_lines(line_index);
diff --git a/Libraries/LibGUI/TextEditor.h b/Libraries/LibGUI/TextEditor.h
index f5fa134b4c..a6138ecde9 100644
--- a/Libraries/LibGUI/TextEditor.h
+++ b/Libraries/LibGUI/TextEditor.h
@@ -172,6 +172,24 @@ private:
     void did_change();
     int fixed_glyph_width() const;
 
+    void defer_reflow();
+    void undefer_reflow();
+
+    class ReflowDeferrer {
+    public:
+        ReflowDeferrer(TextEditor& editor)
+            : m_editor(editor)
+        {
+            m_editor.defer_reflow();
+        }
+        ~ReflowDeferrer()
+        {
+            m_editor.undefer_reflow();
+        }
+    private:
+        TextEditor& m_editor;
+    };
+
     Gfx::Rect line_content_rect(size_t item_index) const;
     Gfx::Rect line_widget_rect(size_t line_index) const;
     Gfx::Rect cursor_content_rect() const;
@@ -238,6 +256,9 @@ private:
     Core::ElapsedTimer m_triple_click_timer;
     NonnullRefPtrVector<Action> m_custom_context_menu_actions;
 
+    size_t m_reflow_deferred { 0 };
+    size_t m_reflow_requested { 0 };
+
     RefPtr<TextDocument> m_document;
 
     template<typename Callback>