diff --git a/src/ViewportWidget.cpp b/src/ViewportWidget.cpp
index 66fffa1..3da34f4 100644
--- a/src/ViewportWidget.cpp
+++ b/src/ViewportWidget.cpp
@@ -49,12 +49,12 @@ ViewportWidget::~ViewportWidget()
 {
     makeCurrent();
     delete m_shaderProgram;
+    delete m_viewCube;
+    delete m_sketchGrid;
     m_vbo.destroy();
     m_vao.destroy();
     doneCurrent();
 
-    delete m_viewCube;
-    delete m_sketchGrid;
     delete m_featureBrowser;
 }