diff --git a/internal/engine/testdata/expected_sitemap.xml b/internal/engine/testdata/expected_sitemap.xml
index fa81d861..539a1c98 100644
--- a/internal/engine/testdata/expected_sitemap.xml
+++ b/internal/engine/testdata/expected_sitemap.xml
@@ -35,6 +35,9 @@
     <url>
         <loc>http://localhost:8080/tiles/EuropeanETRS89_LAEAQuad?f=html</loc>
     </url>
+    <url>
+        <loc>http://localhost:8080/tiles/WebMercatorQuad?f=html</loc>
+    </url>
     <url>
         <loc>http://localhost:8080/tileMatrixSets?f=html</loc>
     </url>
@@ -44,7 +47,10 @@
     <url>
         <loc>http://localhost:8080/tileMatrixSets/EuropeanETRS89_LAEAQuad?f=html</loc>
     </url>
+    <url>
+        <loc>http://localhost:8080/tileMatrixSets/WebMercatorQuad?f=html</loc>
+    </url>
     <url>
         <loc>http://localhost:8080/styles?f=html</loc>
     </url>
-</urlset>
\ No newline at end of file
+</urlset>