diff --git a/core/coreexception.class.inc.php b/core/coreexception.class.inc.php
index 4b841ea8b..d27569168 100644
--- a/core/coreexception.class.inc.php
+++ b/core/coreexception.class.inc.php
@@ -6,6 +6,6 @@
  * @deprecated 3.0.0 N°3663 Exception classes were moved to `/application/exceptions`, use autoloader instead of require !
  */
 
-require_once __DIR__ . '../approot.inc.php';
+require_once __DIR__ . '/../approot.inc.php';
 
 DeprecatedCallsLog::NotifyDeprecatedFile('Classes were moved to /application/exceptions and can be used directly with the autoloader');