diff --git a/src/ViewportWidget.cpp b/src/ViewportWidget.cpp
index f81b539..1e41bb6 100644
--- a/src/ViewportWidget.cpp
+++ b/src/ViewportWidget.cpp
@@ -27,6 +27,7 @@ ViewportWidget::ViewportWidget(QWidget *parent)
     m_sketchGrid = new SketchGrid();
     m_featureBrowser = new FeatureBrowser();
     setMouseTracking(true);
+    setFocusPolicy(Qt::StrongFocus);
 
     m_toolIcons.insert(static_cast<int>(ApplicationController::ToolType::Line), new QSvgRenderer(QString(":/icons/line.svg"), this));
     m_toolIcons.insert(static_cast<int>(ApplicationController::ToolType::Rectangle), new QSvgRenderer(QString(":/icons/rectangle.svg"), this));