--- virt-manager-1.1.0/virt-manager.orig	2014-12-02 12:08:47.000000000 -0700
+++ virt-manager-1.1.0/virt-manager	2014-12-02 12:09:20.000000000 -0700
@@ -175,8 +175,11 @@ def main():
         from gi.repository import Gtk
         leftovers = sys.argv[1:]
 
-        # This will error if Gtk wasn't correctly initialized
-        Gtk.Window()
+        if os.environ.has_key('DISPLAY') and os.environ['DISPLAY']:
+            # This will error if Gtk wasn't correctly initialized
+            Gtk.Window()
+        else:
+            raise Exception("Error starting virt-manager: No graphical display found")
 
         globals()["Gtk"] = Gtk
         import virtManager.config