diff --git a/pkgs/tools/networking/lychee/tests/fail.nix b/pkgs/tools/networking/lychee/tests/fail.nix
index cd98dd383146..5a83814d3c44 100644
--- a/pkgs/tools/networking/lychee/tests/fail.nix
+++ b/pkgs/tools/networking/lychee/tests/fail.nix
@@ -3,7 +3,7 @@ let
   sitePkg = runCommand "site" { } ''
     dist=$out/dist
     mkdir -p $dist
-    echo "<html><body><a href=\"https://example.com/foo.html#butwhere\">foo</a></body></html>" > $dist/index.html
+    echo "<html><body><a href=\"https://example.com/foo.html#foos-missing-anchor\">foo</a></body></html>" > $dist/index.html
     echo "<html><body><a href=\".\">index</a></body></html>" > $dist/foo.html
   '';
 
@@ -16,6 +16,6 @@ let
 
 in
   runCommand "link-check-fail" { inherit failure; } ''
-    grep -F butwhere $failure/testBuildFailure.log >/dev/null
+    grep -F foos-missing-anchor $failure/testBuildFailure.log >/dev/null
     touch $out
   ''