diff --git a/contactsnew/sql.php b/contactsnew/sql.php
index 76abc31..fc90dfd 100644
--- a/contactsnew/sql.php
+++ b/contactsnew/sql.php
@@ -5,8 +5,8 @@
  *
  * @package AVE.cms
  * @subpackage module: ContactsNew
- * @since 1.4
- * @author vudaltsov
+ * @since 1.4 - 1.5
+ * @author vudaltsov UPD Repellent
  * @filesource
  */
 
@@ -84,28 +84,28 @@ $module_sql_update[] = "
 // beta 3
 $module_sql_update[] = "
 	ALTER TABLE `CPPREFIX_module_contactsnew_forms`
-	ADD `code_onsubmit` text NOT NULL
+	ADD IF NOT EXISTS `code_onsubmit` text NOT NULL
 	AFTER `finish_tpl`";
 $module_sql_update[] = "
 	ALTER TABLE `CPPREFIX_module_contactsnew_forms`
-	ADD `code_onvalidate` text NOT NULL
+	ADD IF NOT EXISTS `code_onvalidate` text NOT NULL
 	AFTER `code_onsubmit`";
 $module_sql_update[] = "
 	ALTER TABLE `CPPREFIX_module_contactsnew_forms`
-	ADD `code_onsend` text NOT NULL
+	ADD IF NOT EXISTS `code_onsend` text NOT NULL
 	AFTER `code_onvalidate`";
 $module_sql_update[] = "
 	ALTER TABLE `CPPREFIX_module_contactsnew_forms`
-	DROP INDEX `alias`";
+	DROP INDEX IF EXISTS `alias`";
 
 // beta 8
 $module_sql_update[] = "
 	ALTER TABLE `CPPREFIX_module_contactsnew_fields`
-	ADD `active` enum('0','1') NOT NULL DEFAULT '1'
+	ADD IF NOT EXISTS `active` enum('0','1') NOT NULL DEFAULT '1'
 	AFTER `form_id`";
 $module_sql_update[] = "
 	ALTER TABLE `CPPREFIX_module_contactsnew_fields`
-	DROP `position`";
+	DROP IF EXISTS `position`";
 
 // v1.1 beta 1
 $module_sql_update[] = "
@@ -122,12 +122,12 @@ CREATE TABLE IF NOT EXISTS `CPPREFIX_module_contactsnew_history` (
 ";
 $module_sql_update[] = "
 	ALTER TABLE `CPPREFIX_module_contactsnew_forms`
-	ADD `protection` enum('0','1') NOT NULL DEFAULT '1'
+	ADD IF NOT EXISTS `protection` enum('0','1') NOT NULL DEFAULT '1'
 	AFTER `title`";
 
 // v1.1 beta 2
 $module_sql_update[] = "
 	ALTER TABLE `CPPREFIX_module_contactsnew_history`
-	ADD `postdata` text NOT NULL
+	ADD IF NOT EXISTS`postdata` text NOT NULL
 	AFTER `dialog`";
 ?>
\ No newline at end of file