diff --git a/apps/expression_editor/expression_editor_view.cpp b/apps/expression_editor/expression_editor_view.cpp
index 5d1047e53..fe825654e 100644
--- a/apps/expression_editor/expression_editor_view.cpp
+++ b/apps/expression_editor/expression_editor_view.cpp
@@ -7,6 +7,7 @@ ExpressionEditorView::ExpressionEditorView(Responder * parentResponder, Poincare
   SolidColorView(KDColorWhite),
   m_scrollableExpressionViewWithCursor(parentResponder, expressionLayout, cursor)
 {
+  m_serializerTextView.setText("Hello");
 }
 
 void ExpressionEditorView::cursorPositionChanged() {
@@ -14,7 +15,20 @@ void ExpressionEditorView::cursorPositionChanged() {
   m_scrollableExpressionViewWithCursor.scrollToCursor();
 }
 
+void ExpressionEditorView::setText(const char * text) {
+  m_serializerTextView.setText(text);
+}
+
+View * ExpressionEditorView::subviewAtIndex(int index) {
+  assert(index >= 0 && index < 2);
+  if (index == 0) {
+    return &m_scrollableExpressionViewWithCursor;
+  }
+  return &m_serializerTextView;
+}
+
 void ExpressionEditorView::layoutSubviews() {
+  m_serializerTextView.setFrame(KDRect(0, 0, bounds().width(), 20));
   m_scrollableExpressionViewWithCursor.setFrame(KDRect(
     k_margin,
     k_margin,
@@ -24,7 +38,7 @@ void ExpressionEditorView::layoutSubviews() {
 }
 
 KDSize ExpressionEditorView::minimalSizeForOptimalDisplay() const {
-  return m_scrollableExpressionViewWithCursor.minimalSizeForOptimalDisplay();
+  return KDSize(300, 220);
 }
 
 
diff --git a/apps/expression_editor/expression_editor_view.h b/apps/expression_editor/expression_editor_view.h
index 49116463e..def2ec2b5 100644
--- a/apps/expression_editor/expression_editor_view.h
+++ b/apps/expression_editor/expression_editor_view.h
@@ -11,17 +11,16 @@ class ExpressionEditorView : public SolidColorView {
 public:
   ExpressionEditorView(Responder * parentResponder, Poincare::ExpressionLayout * expressionLayout, Poincare::ExpressionLayoutCursor * cursor);
   void cursorPositionChanged();
-  int numberOfSubviews() const override { return 1; }
+  void setText(const char * text);
+  int numberOfSubviews() const override { return 2; }
   ScrollableExpressionViewWithCursor * scrollableExpressionViewWithCursor() { return &m_scrollableExpressionViewWithCursor; }
-  View * subviewAtIndex(int index) override {
-    assert(index == 0);
-    return &m_scrollableExpressionViewWithCursor;
-  }
+  View * subviewAtIndex(int index) override;
   void layoutSubviews() override;
   KDSize minimalSizeForOptimalDisplay() const override;
 private:
   constexpr static KDCoordinate k_margin = 10;
   ScrollableExpressionViewWithCursor m_scrollableExpressionViewWithCursor;
+  BufferTextView m_serializerTextView;
 };
 
 }