diff --git a/Testing/Code/Wrappers/Python/Bug440.py b/Testing/Code/Wrappers/Python/Bug440.py
index 71ef93997973afb23ae598035c469d48e2d74f7e..e7d413497728adb6b630c06aa0c3c4b9cb5bdf88 100644
--- a/Testing/Code/Wrappers/Python/Bug440.py
+++ b/Testing/Code/Wrappers/Python/Bug440.py
@@ -1,5 +1,3 @@
-#!/usr/bin/python
-
 # Import the otb applications package
 import otbApplication
 import sys
@@ -15,4 +13,4 @@ Convert.SetParameterString("out", sys.argv[2])
 Convert.SetParameterString("type","linear")
 
 # The following line execute the application
-Convert.ExecuteAndWriteOutput()
+sys.exit(Convert.ExecuteAndWriteOutput())