diff --git a/aurweb/routers/errors.py b/aurweb/routers/errors.py
index 3bdaeb9d..111d802a 100644
--- a/aurweb/routers/errors.py
+++ b/aurweb/routers/errors.py
@@ -1,17 +1,14 @@
 from aurweb.templates import make_context, render_template
-from aurweb import l10n
 
 
 async def not_found(request, exc):
-    _ = l10n.get_translator_for_request(request)
-    context = make_context(request, f"404 - {_('Page Not Found')}")
-    return render_template("errors/404.html", context)
+    context = make_context(request, "Page Not Found")
+    return render_template("errors/404.html", context, 404)
 
 
 async def service_unavailable(request, exc):
-    _ = l10n.get_translator_for_request(request)
-    context = make_context(request, "503 - {_('Service Unavailable')}")
-    return render_template("errors/503.html", context)
+    context = make_context(request, "Service Unavailable")
+    return render_template("errors/503.html", context, 503)
 
 # Maps HTTP errors to functions
 exceptions = {
diff --git a/aurweb/routers/html.py b/aurweb/routers/html.py
index ae08c764..50b62450 100644
--- a/aurweb/routers/html.py
+++ b/aurweb/routers/html.py
@@ -4,7 +4,7 @@ own modules and imported here. """
 from http import HTTPStatus
 from urllib.parse import unquote
 
-from fastapi import APIRouter, Form, Request
+from fastapi import APIRouter, Form, Request, HTTPException
 from fastapi.responses import HTMLResponse, RedirectResponse
 
 from aurweb.templates import make_context, render_template
@@ -48,3 +48,9 @@ async def index(request: Request):
     """ Homepage route. """
     context = make_context(request, "Home")
     return render_template("index.html", context)
+
+
+# A route that returns a error 503. For testing purposes.
+@router.get("/raisefivethree", response_class=HTMLResponse)
+async def raise_service_unavailable(request: Request):
+    raise HTTPException(status_code=503)
diff --git a/templates/errors/404.html b/templates/errors/404.html
index 0afdd2fa..4926aff6 100644
--- a/templates/errors/404.html
+++ b/templates/errors/404.html
@@ -1,8 +1,8 @@
 {% extends 'partials/layout.html' %}
 
 {% block pageContent %}
-  <div class="box 404">
+  <div id="error-page" class="box 404">
     <h2>404 - {% trans %}Page Not Found{% endtrans %}</h2>
     <p>{% trans %}Sorry, the page you've requested does not exist.{% endtrans %}</p>
   </div>
-  {% endblock %}
+{% endblock %}
diff --git a/templates/errors/503.html b/templates/errors/503.html
index d31666a1..9a0ed56a 100644
--- a/templates/errors/503.html
+++ b/templates/errors/503.html
@@ -1,7 +1,7 @@
 {% extends 'partials/layout.html' %}
 
 {% block pageContent %}
-  <div class="box 404">
+  <div id="error-page" class="box 503">
     <h2>503 - {% trans %}Service Unavailable{% endtrans %}</h2>
     <p>{% trans %}Don't panic! This site is down due to maintenance. We will be back soon.{% endtrans %}</p>
   </div>
diff --git a/test/test_routes.py b/test/test_routes.py
index 46ba39f5..86221108 100644
--- a/test/test_routes.py
+++ b/test/test_routes.py
@@ -67,3 +67,10 @@ def test_language_query_params():
         response = req.post("/language", data=post_data)
         assert response.headers.get("location") == f"/?{q}"
     assert response.status_code == int(HTTPStatus.SEE_OTHER)
+
+
+def test_error_messages():
+    response1 = client.get("/thisroutedoesnotexist")
+    response2 = client.get("/raisefivethree")
+    assert response1.status_code == int(HTTPStatus.NOT_FOUND)
+    assert response2.status_code == int(HTTPStatus.SERVICE_UNAVAILABLE)
\ No newline at end of file