diff --git a/sources/application/search/criterionconversion/criteriontooql.class.inc.php b/sources/application/search/criterionconversion/criteriontooql.class.inc.php
index ef0a64c47..e3f9da26e 100644
--- a/sources/application/search/criterionconversion/criteriontooql.class.inc.php
+++ b/sources/application/search/criterionconversion/criteriontooql.class.inc.php
@@ -110,7 +110,7 @@ class CriterionToOQL extends CriterionConversionAbstract
 			return null;
 		}
 
-		return $aValues[$iIndex]['value'];
+		return addslashes($aValues[$iIndex]['value']);
 	}
 
 	protected static function ContainsToOql($oSearch, $sRef, $aCriteria)