diff --git a/MainWindow.cpp b/MainWindow.cpp
index 0f069c2..7da5588 100644
--- a/MainWindow.cpp
+++ b/MainWindow.cpp
@@ -2524,8 +2524,8 @@ void MainWindow::updateCanvases()
   outputWindow->getCanvas()->update();
 
   // Update position of zoom toolbar
-  sourceCanvas->moveZoomToolbar(canvasSplitter->widget(0)->rect());
-  destinationCanvas->moveZoomToolbar(canvasSplitter->widget(1)->rect());
+  sourceCanvas->updateZoomToolbar();
+  destinationCanvas->updateZoomToolbar();
 }
 
 
diff --git a/MapperGLCanvas.cpp b/MapperGLCanvas.cpp
index 8e9169e..c71fc88 100644
--- a/MapperGLCanvas.cpp
+++ b/MapperGLCanvas.cpp
@@ -189,11 +189,10 @@ void MapperGLCanvas::createZoomToolsLayout()
   _zoomToolBar->setLayout(buttonsLayout);
 }
 
-void MapperGLCanvas::moveZoomToolbar(const QRect &rect)
+void MapperGLCanvas::updateZoomToolbar()
 {
-
-  _zoomToolBar->move(rect.width() - _zoomToolBar->width(),
-                     rect.height() - _zoomToolBar->height());
+  _zoomToolBar->move(this->viewport()->width() - _zoomToolBar->width(),
+                     this->viewport()->height() - _zoomToolBar->height());
 }
 
 
diff --git a/MapperGLCanvas.h b/MapperGLCanvas.h
index 79a663b..9ce6715 100644
--- a/MapperGLCanvas.h
+++ b/MapperGLCanvas.h
@@ -96,8 +96,8 @@ public:
 
   // Apply zoom to view
   void applyZoomToView();
-  // Set the zoom toolbar position
-  void moveZoomToolbar(const QRect &rect);
+  // Refresh the zoom toolbar position
+  void updateZoomToolbar();
 
 protected:
 //  void initializeGL();