diff --git a/htdocs/install/mysql/migration/15.0.0-16.0.0.sql b/htdocs/install/mysql/migration/15.0.0-16.0.0.sql
index 5f8b1d886c3..745955c7bcd 100644
--- a/htdocs/install/mysql/migration/15.0.0-16.0.0.sql
+++ b/htdocs/install/mysql/migration/15.0.0-16.0.0.sql
@@ -324,3 +324,5 @@ ALTER TABLE llx_actioncomm MODIFY COLUMN note mediumtext;
 
 DELETE FROM llx_boxes WHERE box_id IN (select rowid FROM llx_boxes_def WHERE file IN ('box_bom.php@bom', 'box_bom.php'));
 DELETE FROM llx_boxes_def WHERE file IN ('box_bom.php@bom', 'box_bom.php');
+
+ALTER TABLE llx_takepos_floor_tables ADD UNIQUE(entity,label); 
\ No newline at end of file
diff --git a/htdocs/install/mysql/tables/llx_takepos_floor_tables.key.sql b/htdocs/install/mysql/tables/llx_takepos_floor_tables.key.sql
new file mode 100644
index 00000000000..e90cd67e889
--- /dev/null
+++ b/htdocs/install/mysql/tables/llx_takepos_floor_tables.key.sql
@@ -0,0 +1,16 @@
+-- Copyright (C) 2018 SuperAdmin
+--
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program.  If not, see https://www.gnu.org/licenses/.
+
+ALTER TABLE llx_takepos_floor_tables ADD UNIQUE(entity,label); 
\ No newline at end of file
diff --git a/htdocs/takepos/floors.php b/htdocs/takepos/floors.php
index 64040a24466..73e84109116 100644
--- a/htdocs/takepos/floors.php
+++ b/htdocs/takepos/floors.php
@@ -104,7 +104,7 @@ if ($action == "updatename") {
 	if (strlen($newname) > 3) {
 		$newname = substr($newname, 0, 3); // Only 3 chars
 	}
-	$db->query("UPDATE ".MAIN_DB_PREFIX."takepos_floor_tables set label='".$db->escape($newname)."' WHERE rowid = ".((int) $place));
+	$resql = $db->query("UPDATE ".MAIN_DB_PREFIX."takepos_floor_tables set label='".$db->escape($newname)."' WHERE rowid = ".((int) $place));
 }
 
 if ($action == "add") {