/usr/local/bin/python -> /usr/bin/env python
diff --git a/Demo/sgi/gl/nurbs.py b/Demo/sgi/gl/nurbs.py
index af2039b..c33cb4e 100755
--- a/Demo/sgi/gl/nurbs.py
+++ b/Demo/sgi/gl/nurbs.py
@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#! /usr/bin/env python
 
 # Rotate a 3D surface created using NURBS.
 #