diff --git a/authsession.php b/authsession.php
index e0f08ad..2307de1 100644
--- a/authsession.php
+++ b/authsession.php
@@ -12,7 +12,7 @@ class authsession extends auth
   function __construct ()
   {
     if (!isset ($_SESSION))
-      throw new Exception ("No session previously opened", 401);
+      throw new \Exception ("No session previously opened", 401);
   }
 
   /** No connection to session */
@@ -29,11 +29,11 @@ class authsession extends auth
   {
     if (!isset ($_SESSION["domframework"]["auth"]["email"]) ||
         !isset ($_SESSION["domframework"]["auth"]["password"]))
-      throw new Exception ("No previous email in session", 401);
+      throw new \Exception ("No previous email in session", 401);
     if ($_SESSION["domframework"]["auth"]["email"] !== $email)
-      throw new Exception ("Unable to authenticate user '$email'", 401);
+      throw new \Exception ("Unable to authenticate user '$email'", 401);
     if ($_SESSION["domframework"]["auth"]["password"] !== $password)
-      throw new Exception ("Bad password for '$email'", 401);
+      throw new \Exception ("Bad password for '$email'", 401);
   }
 
   /** Return all the parameters recorded for the authenticate user */
@@ -55,7 +55,7 @@ class authsession extends auth
     */
   public function changepassword ($oldpassword, $newpassword)
   {
-    throw new Exception (dgettext("domframework",
+    throw new \Exception (dgettext("domframework",
                          "The password can't be change for SESSION users"),
                          405);
   }
@@ -68,7 +68,7 @@ class authsession extends auth
     */
   public function overwritepassword ($email, $newpassword)
   {
-    throw new exception (dgettext("domframework",
+    throw new \Exception (dgettext("domframework",
                          "The password can't be overwrite for SESSION users"),
                          405);
   }
diff --git a/ratelimit.php b/ratelimit.php
index d3db0a5..93125c2 100644
--- a/ratelimit.php
+++ b/ratelimit.php
@@ -18,7 +18,7 @@ class ratelimit
     */
   public function set ($name)
   {
-    throw new Exception (dgettext("domframework",
+    throw new \Exception (dgettext("domframework",
                                   "ratelimit : no valid ratelimiter available"),
                          500);
   }
@@ -29,7 +29,7 @@ class ratelimit
     */
   public function del ($name)
   {
-    throw new Exception (dgettext("domframework",
+    throw new \Exception (dgettext("domframework",
                                   "ratelimit : no valid ratelimiter available"),
                          500);
   }
@@ -39,7 +39,7 @@ class ratelimit
     */
   public function clean ()
   {
-    throw new Exception (dgettext("domframework",
+    throw new \Exception (dgettext("domframework",
                                   "ratelimit : no valid ratelimiter available"),
                          500);
   }