diff --git a/sloth/gui/frameviewer.py b/sloth/gui/frameviewer.py
index b3904ca..8ea5b0c 100644
--- a/sloth/gui/frameviewer.py
+++ b/sloth/gui/frameviewer.py
@@ -16,6 +16,7 @@ class GraphicsView(QGraphicsView):
 
     def __init__(self, parent=None):
         QGraphicsView.__init__(self, parent)
+        self.setDragMode(QGraphicsView.RubberBandDrag)
         #self.setDragMode(QGraphicsView.ScrollHandDrag)
         self.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform | QPainter.TextAntialiasing);
         self.setStyleSheet("QFrame { border: 3px solid black }");