diff --git a/tests/mastodon-garage.nix b/tests/mastodon-garage.nix
index 91e3f4f..d20c5ad 100644
--- a/tests/mastodon-garage.nix
+++ b/tests/mastodon-garage.nix
@@ -110,7 +110,7 @@ pkgs.nixosTest {
         raise Exception("image stored in garage did not match image uploaded")
 
     with subtest("Content security policy allows garage images"):
-      headers = server.succeed("xh -h http://masstodon.localhost:55001/public/local")
+      headers = server.succeed("xh -h http://mastodon.localhost:55001/public/local")
       csp_match = None
       # I can't figure out re.MULTILINE
       for header in headers.split("\n"):