diff --git a/application/utils.inc.php b/application/utils.inc.php
index f926b2c3f..5e9fc6b00 100644
--- a/application/utils.inc.php
+++ b/application/utils.inc.php
@@ -20,6 +20,7 @@
 use Combodo\iTop\Application\Helper\Session;
 use Combodo\iTop\Application\UI\Base\iUIBlock;
 use Combodo\iTop\Application\UI\Base\Layout\UIContentBlock;
+use Combodo\iTop\Application\UI\Hook\iKeyboardShortcut;
 use Combodo\iTop\Service\Module\ModuleService;
 use ScssPhp\ScssPhp\Compiler;
 use ScssPhp\ScssPhp\OutputStyle;
@@ -2956,7 +2957,7 @@ HTML;
 		$aResultPref = [];
 		$aShortcutPrefs = appUserPreferences::GetPref('keyboard_shortcuts', []);
 		// Note: Mind the 4 blackslashes, see utils::GetClassesForInterface()
-		$aShortcutClasses = utils::GetClassesForInterface('iKeyboardShortcut', '', array('[\\\\/]lib[\\\\/]', '[\\\\/]node_modules[\\\\/]', '[\\\\/]test[\\\\/]', '[\\\\/]tests[\\\\/]'));
+		$aShortcutClasses = utils::GetClassesForInterface(iKeyboardShortcut::class, '', array('[\\\\/]lib[\\\\/]', '[\\\\/]node_modules[\\\\/]', '[\\\\/]test[\\\\/]', '[\\\\/]tests[\\\\/]'));
 
 		foreach ($aShortcutClasses as $cShortcutPlugin) {
 			$sTriggeredElement = $cShortcutPlugin::GetShortcutTriggeredElementSelector();