diff --git a/engine/schema/src/main/resources/META-INF/db/schema-41811to41812.sql b/engine/schema/src/main/resources/META-INF/db/schema-41811to41812.sql
index 4542f1b9084..62aafa640b6 100644
--- a/engine/schema/src/main/resources/META-INF/db/schema-41811to41812.sql
+++ b/engine/schema/src/main/resources/META-INF/db/schema-41811to41812.sql
@@ -23,17 +23,17 @@
 -- adding one more time here in case if migration from 4.18.0 didn't go through
 CREATE PROCEDURE `cloud`.`ADD_RESOURCE_RESERVATION_MGMT_SERVER_ID_CREATED`()
 BEGIN
-    DECLARE created_exists TINYINT DEFAULT FALSE
+    DECLARE created_column_not_exists TINYINT DEFAULT FALSE
 ;	IF NOT EXISTS (SELECT * FROM `information_schema`.`columns` WHERE `table_schema` = 'cloud' AND `table_name` = 'resource_reservation' AND `column_name` = 'mgmt_server_id') THEN
 		CALL `cloud`.`IDEMPOTENT_ADD_COLUMN`('cloud.resource_reservation', 'mgmt_server_id', 'bigint unsigned NULL COMMENT "management server id" ')
 ;   END IF
 ;	IF NOT EXISTS (SELECT * FROM `information_schema`.`columns` WHERE `table_schema` = 'cloud' AND `table_name` = 'resource_reservation' AND `column_name` = 'created') THEN
-        SET created_exists = TRUE
+        SET created_column_not_exists = TRUE
 ;   END IF
-;	IF created_exists THEN
+;	IF created_column_not_exists THEN
         CALL `cloud`.`IDEMPOTENT_ADD_COLUMN`('cloud.resource_reservation', 'created', 'datetime DEFAULT NULL COMMENT "date when the reservation was created" ')
 ;   END IF
-;	IF created_exists THEN
+;	IF created_column_not_exists THEN
         UPDATE `cloud`.`resource_reservation` SET `created` = now() WHERE `created` IS NULL
 ;   END IF
 ;   END;