diff --git a/keycloak_collective_portal.py b/keycloak_collective_portal.py
index dca90fb..3a6e207 100644
--- a/keycloak_collective_portal.py
+++ b/keycloak_collective_portal.py
@@ -48,12 +48,12 @@ async def login_keycloak(request: Request):
 @app.get("/auth")
 async def auth(request: Request):
     try:
-        token = await oauth.keycloak.authorize_access_token()
-    except OAuthError as error:
-        return HTMLResponse(f"<h1>{error.error}</h1>")
-    user = await oauth.keycloak.parse_id_token(request, token)
-    request.session["user"] = dict(user)
-    return RedirectResponse(request.url_for("home"))
+        token = await oauth.keycloak.authorize_access_token(request)
+        user = await oauth.keycloak.parse_id_token(request, token)
+        request.session["user"] = dict(user)
+        return RedirectResponse(request.url_for("home"))
+    except Exception as exception:
+        return HTMLResponse(f"<h1>{str(exception)}</h1>")
 
 
 @app.route("/logout")