diff --git a/src/ViewportWidget.cpp b/src/ViewportWidget.cpp
index 29d8f0f..f305a40 100644
--- a/src/ViewportWidget.cpp
+++ b/src/ViewportWidget.cpp
@@ -186,7 +186,7 @@ void ViewportWidget::paintGL()
 void ViewportWidget::resizeGL(int w, int h)
 {
     projection.setToIdentity();
-    projection.perspective(45.0f, w / float(h), 0.01f, 100.0f);
+    projection.perspective(45.0f, w / float(h), 0.01f, 10000.0f);
 }
 
 void ViewportWidget::mousePressEvent(QMouseEvent *event)