diff --git a/src/Gui/View3DInventor.cpp b/src/Gui/View3DInventor.cpp
index 890cada0e..3c58f6fb6 100644
--- a/src/Gui/View3DInventor.cpp
+++ b/src/Gui/View3DInventor.cpp
@@ -123,6 +123,9 @@ View3DInventor::View3DInventor(Gui::Document* pcDocument, QWidget* parent, Qt::W
 #endif
     _viewer->setDocument(this->_pcDocument);
     stack->addWidget(_viewer->getWidget());
+    // http://forum.freecadweb.org/viewtopic.php?f=3&t=6055&sid=150ed90cbefba50f1e2ad4b4e6684eba
+    // By default, the wheel events are processed by the 3d view AND the mdi area.
+    _viewer->getGLWidget()->setAttribute(Qt::WA_NoMousePropagation);
     setCentralWidget(stack);
 #else
     _viewer = new View3DInventorViewer(this);