diff --git a/mythtv/files/mythbackend b/mythtv/files/mythbackend
index d5fe2fa..732f72a 100644
--- a/mythtv/files/mythbackend
+++ b/mythtv/files/mythbackend
@@ -8,3 +8,6 @@
 # ownership has been changed from root to mythtv as well.
 MYTHBACKEND_USER=mythtv
 #OPTIONS=
+# Try to prevent X software from starting GUI. If not unset some
+# some userjobs might be failing.
+DISPLAY=""