diff --git a/agenda/auth.py b/agenda/auth.py
index 925ead3..fefbee9 100644
--- a/agenda/auth.py
+++ b/agenda/auth.py
@@ -20,13 +20,17 @@ def verify_auth_token(token: str) -> str | None:
 
 
 def require_authentication() -> werkzeug.Response | None:
-    """Require authentication."""
+    """Require authentication and redirect with return URL."""
     if not flask.current_app.config.get("REQUIRE_AUTH"):
         return None
 
     token = flask.request.cookies.get("auth_token")
-    return (
-        None
-        if token and verify_auth_token(token)
-        else flask.redirect(flask.current_app.config["UNIAUTH_URL"] + "/login")
+    if token and verify_auth_token(token):
+        return None
+
+    # Construct the redirect URL with the original URL as a parameter
+    return flask.redirect(
+        flask.current_app.config["UNIAUTH_URL"]
+        + "/login?next="
+        + werkzeug.urls.url_quote(flask.request.url)
     )
diff --git a/web_view.py b/web_view.py
index 259e751..91e9cc2 100755
--- a/web_view.py
+++ b/web_view.py
@@ -70,12 +70,12 @@ async def index() -> str:
 
 
 @app.route("/launches")
-async def launch_list() -> str:
+def launch_list() -> str:
     """Web page showing List of space launches."""
     now = datetime.now()
     data_dir = app.config["DATA_DIR"]
     rocket_dir = os.path.join(data_dir, "thespacedevs")
-    rockets = await agenda.thespacedevs.get_launches(rocket_dir, limit=100)
+    rockets = agenda.thespacedevs.get_launches(rocket_dir, limit=100)
 
     return flask.render_template(
         "launches.html", rockets=rockets, now=now, get_country=agenda.get_country