diff --git a/src/private/multisplitter/Item.cpp b/src/private/multisplitter/Item.cpp
index 2be2da44..24723d7b 100644
--- a/src/private/multisplitter/Item.cpp
+++ b/src/private/multisplitter/Item.cpp
@@ -352,8 +352,10 @@ void Item::setMinSize(QSize sz)
 
 void Item::setMaxSize(QSize sz)
 {
-    Q_ASSERT(!isContainer());
-    m_sizingInfo.maxSize = sz;
+    if (sz != m_sizingInfo.maxSize) {
+        m_sizingInfo.maxSize = sz;
+        Q_EMIT maxSizeChanged(this);
+    }
 }
 
 QSize Item::minSize() const
diff --git a/src/private/multisplitter/Item_p.h b/src/private/multisplitter/Item_p.h
index ee7f093d..f3fcd29b 100644
--- a/src/private/multisplitter/Item_p.h
+++ b/src/private/multisplitter/Item_p.h
@@ -348,6 +348,7 @@ Q_SIGNALS:
     void heightChanged();
     void visibleChanged(Layouting::Item *thisItem, bool visible);
     void minSizeChanged(Layouting::Item *thisItem);
+    void maxSizeChanged(Layouting::Item *thisItem);
 protected:
     friend class ::TestMultiSplitter;
     explicit Item(bool isContainer, QWidget *hostWidget, ItemContainer *parent);