diff --git a/bin/ubiquity-dm b/bin/ubiquity-dm
index 08e96d1..227301c 100755
--- a/bin/ubiquity-dm
+++ b/bin/ubiquity-dm
@@ -404,11 +404,7 @@ EndSection
                 stdin=null, stdout=logfile, stderr=logfile,
                 preexec_fn=self.drop_privileges))
 
-        if (
-            osextras.find_on_path("kwin") or
-            osextras.find_on_path("kwin_x11") or
-            osextras.find_on_path("gnome-shell")
-        ) and osextras.find_on_path("dbus-update-activation-environment"):
+        if osextras.find_on_path("dbus-update-activation-environment"):
             subprocess.Popen(
                 [
                     "dbus-update-activation-environment",