diff --git a/inc/Principal.php b/inc/Principal.php
index 212158dc..e46e94df 100644
--- a/inc/Principal.php
+++ b/inc/Principal.php
@@ -487,7 +487,7 @@ class Principal {
       default:
         fatal('Unknown internal URL type "'.$type.'"');
     }
-    return $result;
+    return ConstructURL(rawurldecode($result));
   }