diff --git a/python/mach/mach/main.py b/python/mach/mach/main.py
index 6de9f92881e..83f01128513 100644
--- a/python/mach/mach/main.py
+++ b/python/mach/mach/main.py
@@ -16,7 +16,7 @@ import os
 import sys
 import traceback
 import uuid
-from collections import Iterable
+from collections.abc import Iterable
 
 from six import string_types