diff --git a/src/Composer/Util/Svn.php b/src/Composer/Util/Svn.php
index fcfac6d7e..c61c55584 100644
--- a/src/Composer/Util/Svn.php
+++ b/src/Composer/Util/Svn.php
@@ -108,6 +108,7 @@ class Svn
 
         // the error is not auth-related
         if (false === stripos($output, 'Could not authenticate to server:')
+            && false === stripos($output, 'authorization failed')
             && false === stripos($output, 'svn: E170001:')) {
             throw new \RuntimeException($output);
         }