diff --git a/src/plugins/imageviewer/imageview.cpp b/src/plugins/imageviewer/imageview.cpp
index ce602e6f71aa03b8bbf460bf16e5896e71dbfcc8..a3991f8588150f657ea0109a10e916384f15b76d 100644
--- a/src/plugins/imageviewer/imageview.cpp
+++ b/src/plugins/imageviewer/imageview.cpp
@@ -74,6 +74,7 @@ ImageView::ImageView(QWidget *parent)
     setTransformationAnchor(AnchorUnderMouse);
     setDragMode(ScrollHandDrag);
     setViewportUpdateMode(FullViewportUpdate);
+    setFrameShape(QFrame::NoFrame);
 
     // Prepare background check-board pattern
     QPixmap tilePixmap(64, 64);