diff --git a/src/plugins/qmldesigner/components/formeditor/toolbox.cpp b/src/plugins/qmldesigner/components/formeditor/toolbox.cpp
index 546de91eaec4c5ddd02ba38d4ccf56afaba124b8..b9dc95a4488483bc4ede45d36433c0b7b2ea5c73 100644
--- a/src/plugins/qmldesigner/components/formeditor/toolbox.cpp
+++ b/src/plugins/qmldesigner/components/formeditor/toolbox.cpp
@@ -49,6 +49,7 @@ ToolBox::ToolBox(QWidget *parentWidget)
   m_leftToolBar(new QToolBar("LeftSidebar", this)),
   m_rightToolBar(new QToolBar("RightSidebar", this))
 {
+    setMaximumHeight(44);
     setSingleRow(false);
     QFrame *frame = new QFrame(this);
     m_crumblePath = new Utils::CrumblePath(frame);