diff --git a/metadata/dbms/records.php b/metadata/dbms/records.php
index a9a47b4..63406e7 100644
--- a/metadata/dbms/records.php
+++ b/metadata/dbms/records.php
@@ -53,7 +53,7 @@
 		}
 		
 		if($t=='object'){
-		    if (($v=='-1')||($v=='')) $v='NULL';
+		    if ($v=='-1'||$v=='' || $v==null) $v='NULL';
 		}else
 		if($t=='i1' || $t=='i2' || $t=='i4' || $t=='integer'){
 		    if($v=='') $v='NULL';
@@ -77,7 +77,7 @@
                     $v = str_replace('\'', '\\\'', $v); //так как в SQL строку вставляется
                 $v = '\'' . $v . '\'';
             }
-        }if($t=="NULL" || $t==null){
+        }else if($t=="NULL" || $t==null){
             if ($v == '') {
                 $v = 'NULL';
             } else {