diff --git a/nixos/tests/retroarch.nix b/nixos/tests/retroarch.nix
index 330138e8b3b4..d13ed074b9c9 100644
--- a/nixos/tests/retroarch.nix
+++ b/nixos/tests/retroarch.nix
@@ -41,7 +41,7 @@ import ./make-test-python.nix (
 
         with subtest("Check RetroArch started"):
             machine.wait_until_succeeds("pgrep retroarch")
-            machine.wait_for_window("^RetroArch ")
+            machine.wait_for_window("^RetroArch")
 
         with subtest("Check configuration created"):
             machine.wait_for_file("${user.home}/.config/retroarch/retroarch.cfg")