diff --git a/src/libs/modelinglib/qmt/diagram_scene/diagramgraphicsscene.cpp b/src/libs/modelinglib/qmt/diagram_scene/diagramgraphicsscene.cpp
index 401c767afa2..1c9d64ffd45 100644
--- a/src/libs/modelinglib/qmt/diagram_scene/diagramgraphicsscene.cpp
+++ b/src/libs/modelinglib/qmt/diagram_scene/diagramgraphicsscene.cpp
@@ -33,6 +33,7 @@ DiagramGraphicsScene::DiagramGraphicsScene(DiagramSceneModel *diagramSceneModel,
     : QGraphicsScene(parent),
       m_diagramSceneModel(diagramSceneModel)
 {
+    setBackgroundBrush(Qt::white);
 }
 
 DiagramGraphicsScene::~DiagramGraphicsScene()