diff --git a/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.cpp b/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.cpp
index f6edfd7e2..00202d0d7 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.cpp
@@ -70,6 +70,7 @@ void CGraphicsViewport::init()
 	Modules::psEdit().init();
 
 	setMouseTracking(true);
+	setFocusPolicy(Qt::StrongFocus);
 }
 
 void CGraphicsViewport::release()