diff --git a/db/qq/QP.php b/db/qq/QP.php
index e666907..b1aa37a 100644
--- a/db/qq/QP.php
+++ b/db/qq/QP.php
@@ -26,8 +26,7 @@ class QP {
     
     public static function QI($params,$params_mys = null){
         $qq = self::QQ($params,$params_mys);
-        return $qq->affectedRows() != 0; 
-    }
+        return $qq->affectedRows() != (0||null);}
     //override this
     protected static function query(){
         throw new \SYSTEM\LOG\ERROR('query function of your QP Class not overwritten!');}
diff --git a/db/qq/QQ.php b/db/qq/QQ.php
index 12b7582..e13823d 100644
--- a/db/qq/QQ.php
+++ b/db/qq/QQ.php
@@ -25,8 +25,7 @@ class QQ {
         return self::QQ()->next();}
     public static function QI($params,$params_mys = null){
         $qq = self::QQ($params,$params_mys);
-        return $qq->affectedRows() != 0; 
-    }
+        return $qq->affectedRows() != (0||null);}
     //override this
     protected static function query(){
         throw new \SYSTEM\LOG\ERROR('query function of your QQ Class not overwritten!');}