diff --git a/fts.php b/fts.php
index 8f2ee43..1d5c371 100644
--- a/fts.php
+++ b/fts.php
@@ -148,9 +148,9 @@ class fts
         $operator[$key] = "NOT REGEXP";
       else
        $operator[$key] = "REGEXP";
-      $value[$key] = "(^|[<> \(\",.;/:!?\r\n])".
+      $value[$key] = "(^|[<> \(\"',.;/:!?\r\n])".
                      preg_quote ($token).
-                     "([<> \)\",.;/:!?\r\n]|$)";
+                     "([<> \)\"',.;/:!?\r\n]|$)";
     }
     return array ("operator"=>$operator, "value"=>$value);
   }