diff --git a/robots.txt b/robots.txt
index 13483a81ce..64f3f0d286 100644
--- a/robots.txt
+++ b/robots.txt
@@ -49,6 +49,10 @@ Disallow: /user/register/
 Disallow: /user/password/
 Disallow: /user/login/
 Disallow: /user/logout/
+Disallow: /user/register
+Disallow: /user/password
+Disallow: /user/login
+Disallow: /user/logout
 # Paths (no clean URLs)
 Disallow: /index.php/admin/
 Disallow: /index.php/comment/reply/
@@ -59,3 +63,7 @@ Disallow: /index.php/user/password/
 Disallow: /index.php/user/register/
 Disallow: /index.php/user/login/
 Disallow: /index.php/user/logout/
+Disallow: /index.php/user/password
+Disallow: /index.php/user/register
+Disallow: /index.php/user/login
+Disallow: /index.php/user/logout