diff --git a/nixos/tests/pantheon.nix b/nixos/tests/pantheon.nix
index 3894440333c9..013ab441ab41 100644
--- a/nixos/tests/pantheon.nix
+++ b/nixos/tests/pantheon.nix
@@ -45,8 +45,8 @@ import ./make-test-python.nix ({ pkgs, ...} :
     with subtest("Check if pantheon session components actually start"):
         machine.wait_until_succeeds("pgrep gala")
         machine.wait_for_window("gala")
-        machine.wait_until_succeeds("pgrep wingpanel")
-        machine.wait_for_window("wingpanel")
+        machine.wait_until_succeeds("pgrep -f io.elementary.wingpanel")
+        machine.wait_for_window("io.elementary.wingpanel")
         machine.wait_until_succeeds("pgrep plank")
         machine.wait_for_window("plank")