diff --git a/src/allmydata/test/common_system.py b/src/allmydata/test/common_system.py
index 6bda4e52d..9d14c8642 100644
--- a/src/allmydata/test/common_system.py
+++ b/src/allmydata/test/common_system.py
@@ -5,6 +5,11 @@ in ``allmydata.test.test_system``.
 Ported to Python 3.
 """
 
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from future.utils import PY2
 if PY2:
     # Don't import bytes since it causes issues on (so far unported) modules on Python 2.