diff --git a/mailpoet/tests/integration/Segments/WPTest.php b/mailpoet/tests/integration/Segments/WPTest.php
index d844b111fa..81a6553c9f 100644
--- a/mailpoet/tests/integration/Segments/WPTest.php
+++ b/mailpoet/tests/integration/Segments/WPTest.php
@@ -634,9 +634,10 @@ class WPTest extends \MailPoetTest {
     $numberSql = !is_null($number) ? (int)$number : 'rand()';
     $db->exec(sprintf('
          INSERT INTO
-           %s (user_login, user_email, user_registered)
+           %s (user_login, user_nicename, user_email, user_registered)
            VALUES
            (
+             CONCAT("user-sync-test", ' . $numberSql . '),
              CONCAT("user-sync-test", ' . $numberSql . '),
              CONCAT("user-sync-test", ' . $numberSql . ', "@example.com"),
              "2017-01-02 12:31:12"
diff --git a/mailpoet/tests/integration/Segments/WooCommerceTest.php b/mailpoet/tests/integration/Segments/WooCommerceTest.php
index 085e602af8..67120fd18f 100644
--- a/mailpoet/tests/integration/Segments/WooCommerceTest.php
+++ b/mailpoet/tests/integration/Segments/WooCommerceTest.php
@@ -685,8 +685,9 @@ class WooCommerceTest extends \MailPoetTest {
     $numberSql = !is_null($number) ? (int)$number : mt_rand();
     // add user
     $connection->executeQuery("
-      INSERT INTO {$wpdb->users} (user_login, user_email, user_registered)
+      INSERT INTO {$wpdb->users} (user_login, user_nicename, user_email, user_registered)
       VALUES (
+        CONCAT('user-sync-test', :number),
         CONCAT('user-sync-test', :number),
         CONCAT('user-sync-test', :number, '@example.com'),
         '2017-01-02 12:31:12'