diff --git a/src/app/tools/vabstracttool.cpp b/src/app/tools/vabstracttool.cpp
index d01708581..2a7a738c5 100644
--- a/src/app/tools/vabstracttool.cpp
+++ b/src/app/tools/vabstracttool.cpp
@@ -117,6 +117,9 @@ VAbstractTool::~VAbstractTool()
  */
 void VAbstractTool::NewSceneRect(QGraphicsScene *sc, QGraphicsView *view)
 {
+    SCASSERT(sc != nullptr);
+    SCASSERT(view != nullptr);
+
     QRectF rect = sc->itemsBoundingRect();
 
     QRect  rec0 = view->rect();