diff --git a/test/test_events_be.py b/test/test_events_be.py

index d911ee1..92f9e43 100644

--- a/test/test_events_be.py

+++ b/test/test_events_be.py

@@ -6,7 +6,7 @@ sys.path.insert(0, os.path.normpath(os.path.join(__file__, '../..')))

 import unittest

 from Xlib.protocol import request, event

 from . import BigEndianTest as EndianTest

-from . import DummyDisplay

+from . import DummyDisplay, tohex

 dummy_display = DummyDisplay()

diff --git a/test/test_requests_be.py b/test/test_requests_be.py

index e41ccfc..bf37c87 100644

--- a/test/test_requests_be.py

+++ b/test/test_requests_be.py

@@ -6,7 +6,7 @@ sys.path.insert(0, os.path.normpath(os.path.join(__file__, '../..')))

 import unittest

 from Xlib.protocol import request, event

 from . import BigEndianTest as EndianTest

-from . import DummyDisplay

+from . import DummyDisplay, tohex

 dummy_display = DummyDisplay()