diff --git a/test/ganeti.utils.io_unittest.py b/test/ganeti.utils.io_unittest.py
index b83b51e526eb0dfea247116edc075b303b996bbc..41abdd6576f242aa548e4f62a961ddc01546a6c9 100755
--- a/test/ganeti.utils.io_unittest.py
+++ b/test/ganeti.utils.io_unittest.py
@@ -27,6 +27,7 @@ import unittest
 import shutil
 import glob
 import time
+import signal
 
 from ganeti import constants
 from ganeti import utils