diff --git a/install.php b/install.php
index e8a2f61..751c35c 100644
--- a/install.php
+++ b/install.php
@@ -330,7 +330,9 @@ $sccp_compatible = 0;
 $db_config = '';
 
 function CheckSCCPManagerDBTables($table_req) {
-    global $db;
+global $amp_conf;
+global $astman;
+    global $db;    
     outn("<li>" . _("Checking for Sccp_manager database tables..") . "</li>");
     foreach ($table_req as $value) {
         $check = $db->getRow("SELECT 1 FROM `$value` LIMIT 0", DB_FETCHMODE_ASSOC);
@@ -548,7 +550,12 @@ function InstallDB_updateSchema($db_config) {
                 if (!empty($tab_modify[$fld_id]['rename'])) {
                     $fld_id_source = $tab_modify[$fld_id]['rename'];
                     $db_config[$tabl_name][$fld_id_source]['status'] = 'yes';
-                    $db_config[$tabl_name][$fld_id]['create'] = $db_config[$tabl_name][$fld_id_source]['create'];
+                    if (!empty($db_config[$tabl_name][$fld_id_source]['create'])) {
+                        $db_config[$tabl_name][$fld_id]['create'] = $db_config[$tabl_name][$fld_id_source]['create'];
+                    } else {
+                        $db_config[$tabl_name][$fld_id]['create'] = strtoupper($tabl_data[1]).(($tabl_data[2] == 'NO') ?' NOT NULL': ' NULL');
+                        $db_config[$tabl_name][$fld_id]['create'] .= ' DEFAULT '. ((empty($tabl_data[4]))?'NULL': "'". $tabl_data[4]."'" );
+                    }
                 }
             }
         }
diff --git a/module.xml b/module.xml
index 2aa6fd8..7491ec1 100644
--- a/module.xml
+++ b/module.xml
@@ -1,7 +1,7 @@
 <module>
 	<rawname>sccp_manager</rawname>
 	<name>SCCP Manager</name>
-	<version>13.0.0.4</version>
+	<version>13.0.0.4M</version>
 	<type>setup</type>
 	<category>SCCP Connectivity</category>
 	<publisher>Alex GP</publisher>
@@ -19,7 +19,7 @@
 	</changelog>
 	<location></location>
 	<supported>
-		<version>13.0.0.1</version>
+		<version>13.0.0.1M</version>
 	</supported>
         <info>https://github.com/PhantomVl/sccp_manager</info>
         <license>GPL</license>