diff --git a/poincare/src/layout.cpp b/poincare/src/layout.cpp
index d55906954..98641e9bd 100644
--- a/poincare/src/layout.cpp
+++ b/poincare/src/layout.cpp
@@ -99,7 +99,7 @@ void Layout::replaceWithJuxtapositionOf(Layout leftChild, Layout rightChild, Lay
      * replaceWith. */
     HorizontalLayout horizontalLayoutR = HorizontalLayout::Builder();
     p.replaceChild(*this, horizontalLayoutR, cursor);
-    horizontalLayoutR.addOrMergeChildAtIndex(leftChild, 0, false);
+    horizontalLayoutR.addOrMergeChildAtIndex(leftChild, 0, true);
     if (putCursorInTheMiddle) {
       if (!horizontalLayoutR.isEmpty()) {
         cursor->setLayout(horizontalLayoutR.childAtIndex(horizontalLayoutR.numberOfChildren()-1));
@@ -109,7 +109,7 @@ void Layout::replaceWithJuxtapositionOf(Layout leftChild, Layout rightChild, Lay
         cursor->setPosition(LayoutCursor::Position::Left);
       }
     }
-    horizontalLayoutR.addOrMergeChildAtIndex(rightChild, 1, false);
+    horizontalLayoutR.addOrMergeChildAtIndex(rightChild, horizontalLayoutR.numberOfChildren(), true);
     return;
   }
   /* The parent is an Horizontal layout, so directly add the two juxtaposition