diff --git a/aurweb/routers/auth.py b/aurweb/routers/auth.py
index 24f5d4e3..3a1c7192 100644
--- a/aurweb/routers/auth.py
+++ b/aurweb/routers/auth.py
@@ -17,7 +17,7 @@ def login_template(request: Request, next: str, errors: list = None):
     context = make_context(request, "Login", next)
     context["errors"] = errors
     context["url_base"] = f"{request.url.scheme}://{request.url.netloc}"
-    return render_template("login.html", context)
+    return render_template(request, "login.html", context)
 
 
 @router.get("/login", response_class=HTMLResponse)
diff --git a/aurweb/routers/errors.py b/aurweb/routers/errors.py
index 111d802a..eb935b57 100644
--- a/aurweb/routers/errors.py
+++ b/aurweb/routers/errors.py
@@ -3,12 +3,12 @@ from aurweb.templates import make_context, render_template
 
 async def not_found(request, exc):
     context = make_context(request, "Page Not Found")
-    return render_template("errors/404.html", context, 404)
+    return render_template(request, "errors/404.html", context, 404)
 
 
 async def service_unavailable(request, exc):
     context = make_context(request, "Service Unavailable")
-    return render_template("errors/503.html", context, 503)
+    return render_template(request, "errors/503.html", context, 503)
 
 # Maps HTTP errors to functions
 exceptions = {
diff --git a/aurweb/routers/html.py b/aurweb/routers/html.py
index 50b62450..32a7e630 100644
--- a/aurweb/routers/html.py
+++ b/aurweb/routers/html.py
@@ -47,7 +47,7 @@ async def language(request: Request,
 async def index(request: Request):
     """ Homepage route. """
     context = make_context(request, "Home")
-    return render_template("index.html", context)
+    return render_template(request, "index.html", context)
 
 
 # A route that returns a error 503. For testing purposes.
diff --git a/aurweb/templates.py b/aurweb/templates.py
index c05dce79..c5f378b8 100644
--- a/aurweb/templates.py
+++ b/aurweb/templates.py
@@ -39,7 +39,10 @@ def make_context(request: Request, title: str, next: str = None):
     }
 
 
-def render_template(path: str, context: dict, status_code=int(HTTPStatus.OK)):
+def render_template(request: Request,
+                    path: str,
+                    context: dict,
+                    status_code=int(HTTPStatus.OK)):
     """ Render a Jinja2 multi-lingual template with some context. """
 
     # Create a deep copy of our jinja2 environment. The environment in
@@ -54,4 +57,7 @@ def render_template(path: str, context: dict, status_code=int(HTTPStatus.OK)):
 
     template = templates.get_template(path)
     rendered = template.render(context)
-    return HTMLResponse(rendered, status_code=status_code)
+
+    response = HTMLResponse(rendered, status_code=status_code)
+    response.set_cookie("AURLANG", context.get("language"))
+    return response