diff --git a/pmd_relation_new.php b/pmd_relation_new.php
index 2f2cf96f9..27c171813 100644
--- a/pmd_relation_new.php
+++ b/pmd_relation_new.php
@@ -13,7 +13,7 @@ include_once 'pmd_common.php';
 $die_save_pos = 0;
 include_once 'pmd_save_pos.php';
 require_once './libraries/relation.lib.php';
-extract($_POST);
+extract($_POST, EXTR_SKIP);
 
 $tables = PMA_DBI_get_tables_full($db, $T1);
 $type_T1 = strtoupper($tables[$T1]['ENGINE']);
diff --git a/pmd_relation_upd.php b/pmd_relation_upd.php
index c7baf450a..d7c29fc24 100644
--- a/pmd_relation_upd.php
+++ b/pmd_relation_upd.php
@@ -11,8 +11,8 @@
  */
 include_once 'pmd_common.php';
 require_once './libraries/relation.lib.php';
-extract($_POST);
-extract($_GET);
+extract($_POST, EXTR_SKIP);
+extract($_GET, EXTR_SKIP);
 $die_save_pos = 0;
 include_once 'pmd_save_pos.php';
 list($DB1,$T1) = explode(".",$T1);