diff --git a/src/Util/DatabaseUtil/CreateWhereForSerializedBlobResult.php b/src/Util/DatabaseUtil/CreateWhereForSerializedBlobResult.php
index bd08a017..9f2b3f85 100644
--- a/src/Util/DatabaseUtil/CreateWhereForSerializedBlobResult.php
+++ b/src/Util/DatabaseUtil/CreateWhereForSerializedBlobResult.php
@@ -15,7 +15,7 @@ public function __construct(
      */
     public function createInlineAndWhere(): string
     {
-        return '('.$this->field.' REGEXP ('.implode(") AND ".$this->field.' REGEXP (', $this->getValueList()).'))';
+        return '('.$this->field.' REGEXP (\''.implode("'\) OR ".$this->field.' REGEXP (\'', $this->getValueList()).'\'))';
     }
 
     /**
@@ -23,7 +23,7 @@ public function createInlineAndWhere(): string
      */
     public function createInlineOrWhere(): string
     {
-        return '('.$this->field.' REGEXP ('.implode(") OR ".$this->field.' REGEXP (', $this->getValueList()).'))';
+        return '('.$this->field.' REGEXP (\''.implode("\') OR ".$this->field.' REGEXP (\'', $this->getValueList()).'\'))';
     }
 
     /**