diff --git a/src/azure-cli/az b/src/azure-cli/az
index 96ee4dc639f..c69a06001ac 100644
--- a/src/azure-cli/az
+++ b/src/azure-cli/az
@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 
+import runpy
 import sys
 import os
 
@@ -16,4 +17,4 @@ else:
 if os.environ.get('AZ_INSTALLER') is None:
     os.environ['AZ_INSTALLER'] = 'PIP'
 
-os.execl(sys.executable, sys.executable, '-m', 'azure.cli', *sys.argv[1:])
+runpy.run_module('azure.cli')