diff --git a/instaloader/instaloadercontext.py b/instaloader/instaloadercontext.py
index a138092..51e83f3 100644
--- a/instaloader/instaloadercontext.py
+++ b/instaloader/instaloadercontext.py
@@ -324,8 +324,10 @@ class InstaloaderContext:
                 redirect_url = resp.headers['location']
                 self.log('\nHTTP redirect from https://{0}/{1} to {2}'.format(host, path, redirect_url))
                 if redirect_url.startswith('https://www.instagram.com/accounts/login'):
+                    if not self.is_logged_in:
+                        raise LoginRequiredException("Redirected to login page. Use --login.")
                     # alternate rate limit exceeded behavior
-                    raise TooManyRequestsException("429 Too Many Requests: redirected to login")
+                    raise TooManyRequestsException("Redirected to login")
                 if redirect_url.startswith('https://{}/'.format(host)):
                     resp = sess.get(redirect_url if redirect_url.endswith('/') else redirect_url + '/',
                                     params=params, allow_redirects=False)