diff --git a/database/seeds/ConstantsSeeder.php b/database/seeds/ConstantsSeeder.php
index 3ab0e5497df9..4ddeeab49510 100644
--- a/database/seeds/ConstantsSeeder.php
+++ b/database/seeds/ConstantsSeeder.php
@@ -107,7 +107,6 @@ class ConstantsSeeder extends Seeder
             'Africa/Cairo' => '(GMT+02:00) Cairo',
             'Africa/Harare' => '(GMT+02:00) Harare',
             'Europe/Helsinki' => '(GMT+02:00) Helsinki',
-            'Europe/Istanbul' => '(GMT+02:00) Istanbul',
             'Asia/Jerusalem' => '(GMT+02:00) Jerusalem',
             'Europe/Kiev' => '(GMT+02:00) Kyiv',
             'Europe/Minsk' => '(GMT+02:00) Minsk',
@@ -115,6 +114,7 @@ class ConstantsSeeder extends Seeder
             'Europe/Sofia' => '(GMT+02:00) Sofia',
             'Europe/Tallinn' => '(GMT+02:00) Tallinn',
             'Europe/Vilnius' => '(GMT+02:00) Vilnius',
+            'Europe/Istanbul' => '(GMT+03:00) Istanbul',
             'Asia/Baghdad' => '(GMT+03:00) Baghdad',
             'Asia/Kuwait' => '(GMT+03:00) Kuwait',
             'Africa/Nairobi' => '(GMT+03:00) Nairobi',