diff --git a/src/ViewportWidget.cpp b/src/ViewportWidget.cpp
index 0766b92..5010984 100644
--- a/src/ViewportWidget.cpp
+++ b/src/ViewportWidget.cpp
@@ -148,6 +148,9 @@ void ViewportWidget::paintGL()
 
     glViewport(0, 0, width(), height());
 
+    glDisable(GL_DEPTH_TEST);
+    glDisable(GL_CULL_FACE);
+
     QPainter painter(this);
     if (m_currentPlane != SketchPlane::NONE) {
         drawAxisLabels(painter, model, projection);