diff --git a/tests/xfce.nix b/tests/xfce.nix
index ce9f0c6b7f1..706456143fb 100644
--- a/tests/xfce.nix
+++ b/tests/xfce.nix
@@ -23,7 +23,7 @@
       # Check that logging in has given the user ownership of devices.
       $machine->succeed("getfacl /dev/snd/timer | grep -q alice");
 
-      $machine->succeed("su - alice -c 'DISPLAY=:0.0 Terminal &'");
+      $machine->succeed("su - alice -c 'DISPLAY=:0.0 xfce4-terminal &'");
       $machine->waitForWindow(qr/Terminal/);
       $machine->sleep(10);
       $machine->screenshot("screen");