/usr/local/bin/python
diff --git a/Demo/sgi/gl/backface.py b/Demo/sgi/gl/backface.py
index 594b8ad..39929be 100755
--- a/Demo/sgi/gl/backface.py
+++ b/Demo/sgi/gl/backface.py
@@ -1,4 +1,4 @@
-#! /usr/local/python
+#! /usr/local/bin/python
 
 #   backface
 #