diff --git a/db_export.php b/db_export.php
index 1b86a328c1..f051a21b2d 100644
--- a/db_export.php
+++ b/db_export.php
@@ -48,8 +48,9 @@ $multi_values .= '</a><br />';
 $multi_values .= '<select name="table_select[]" id="table_select" size="10" multiple="multiple">';
 $multi_values .= "\n";
 
-if (!empty($selected_tbl) && empty($table_select)) {
-    $table_select = $selected_tbl;
+// when called by libraries/mult_submits.inc.php
+if (!empty($_POST['selected_tbl']) && empty($table_select)) {
+    $table_select = $_POST['selected_tbl'];
 }
 
 // Check if the selected tables are defined in $_GET
diff --git a/db_structure.php b/db_structure.php
index b074d2ca04..dc48e51965 100644
--- a/db_structure.php
+++ b/db_structure.php
@@ -25,9 +25,7 @@ $scripts->addFile('jquery/jquery-ui-timepicker-addon.js');
 $post_params = array(
     'error',
     'message',
-    'mult_btn',
-    'selected_tbl',
-    'submit_mult'
+    'mult_btn'
 );
 foreach ($post_params as $one_post_param) {
     if (isset($_POST[$one_post_param])) {
diff --git a/libraries/mult_submits.inc.php b/libraries/mult_submits.inc.php
index f3702fd141..493436ceec 100644
--- a/libraries/mult_submits.inc.php
+++ b/libraries/mult_submits.inc.php
@@ -43,7 +43,10 @@ foreach ($request_params as $one_request_param) {
  */
 if (! empty($submit_mult)
     && $submit_mult != __('With selected:')
-    && (! empty($selected_db) || ! empty($selected_tbl) || ! empty($selected_fld) || ! empty($rows_to_delete))
+    && (! empty($selected_db)
+    || ! empty($_POST['selected_tbl'])
+    || ! empty($selected_fld)
+    || ! empty($rows_to_delete))
 ) {
     define('PMA_SUBMIT_MULT', 1);
     if (isset($selected_db) && !empty($selected_db)) {
@@ -51,13 +54,13 @@ if (! empty($submit_mult)
         // selected databases
         $selected     = $selected_db;
         $what         = 'drop_db';
-    } elseif (isset($selected_tbl) && !empty($selected_tbl)) {
+    } elseif (! empty($_POST['selected_tbl'])) {
         // coming from database structure view - do something with
         // selected tables
         if ($submit_mult == 'print') {
             include './tbl_printview.php';
         } else {
-            $selected = $selected_tbl;
+            $selected = $_POST['selected_tbl'];
             switch ($submit_mult) {
             case 'add_prefix_tbl':
             case 'replace_prefix_tbl':
diff --git a/tbl_printview.php b/tbl_printview.php
index ceba50268a..4a331c0a6b 100644
--- a/tbl_printview.php
+++ b/tbl_printview.php
@@ -49,8 +49,8 @@ $GLOBALS['dbi']->selectDb($db);
 /**
  * Multi-tables printview
  */
-if (isset($selected_tbl) && is_array($selected_tbl)) {
-    $the_tables   = $selected_tbl;
+if (isset($_POST['selected_tbl']) && is_array($_POST['selected_tbl'])) {
+    $the_tables   = $_POST['selected_tbl'];
 } elseif (strlen($table)) {
     $the_tables[] = $table;
 }