diff --git a/debian/tests/control b/debian/tests/control
index 744fce7..c93a839 100644
--- a/debian/tests/control
+++ b/debian/tests/control
@@ -1,6 +1,6 @@
 Tests: testsuite
 Depends: @, @builddeps@, build-essential,
-         xvfb, xauth, dbus-x11, openbox
+         xvfb, xauth, dbus-x11, openbox, xserver-xephyr
 Restrictions: rw-build-tree
 
 Tests: acc