Index: /trunk/src/VBox/Frontends/VirtualBox/src/manager/details/UIDetailsModel.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/manager/details/UIDetailsModel.cpp	(revision 74680)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/manager/details/UIDetailsModel.cpp	(revision 74681)
@@ -97,9 +97,10 @@
     /* Prepare variables: */
     const QSize viewportSize = paintDevice()->viewport()->size();
+    const QSize rootSize = viewportSize.expandedTo(m_pRoot->minimumSizeHint().toSize());
 
     /* Move root: */
     m_pRoot->setPos(0, 0);
     /* Resize root: */
-    m_pRoot->resize(viewportSize.width(), m_pRoot->minimumHeightHint());
+    m_pRoot->resize(rootSize);
     /* Layout root content: */
     m_pRoot->updateLayout();