diff --git a/application/ui.extkeywidget.class.inc.php b/application/ui.extkeywidget.class.inc.php
index 15887fe21..75301a043 100644
--- a/application/ui.extkeywidget.class.inc.php
+++ b/application/ui.extkeywidget.class.inc.php
@@ -246,7 +246,7 @@ class UIExtKeyWidget
 			}
 			$sInputType = CmdbAbstractObject::ENUM_INPUT_TYPE_DROPDOWN_DECORATED;
 			$sHTMLValue .= "<select title=\"$sHelpText\" name=\"{$sAttrFieldPrefix}{$sFieldName}\" id=\"$this->iId\"  tabindex=\"0\"></select>";
-			$sJsonOptions = json_encode($aOptions);
+			$sJsonOptions = str_replace('\\', '\\\\', json_encode($aOptions));
 			$oPage->add_ready_script(
 				<<<EOF
 		oACWidget_{$this->iId} = new ExtKeyWidget('{$this->iId}', '{$this->sTargetClass}', '$sFilter', '$sTitle', true, $sWizHelper, '{$this->sAttCode}', $sJSSearchMode, $sJSDoSearch);