diff --git a/tests/imap/MailCollector.php b/tests/imap/MailCollector.php
index c52d3456893f..2030dff04ed0 100644
--- a/tests/imap/MailCollector.php
+++ b/tests/imap/MailCollector.php
@@ -258,7 +258,7 @@ public function testCollect() {
       $this->doConnect();
       $this->collector->maxfetch_emails = 1000; // Be sure to fetch all mails from test suite
       $msg = $this->collector->collect($this->mailgate_id);
-      $this->variable($msg)->isIdenticalTo('Number of messages: available=11, retrieved=11, refused=2, errors=1, blacklisted=0');
+      $this->variable($msg)->isIdenticalTo('Number of messages: available=12, retrieved=12, refused=2, errors=1, blacklisted=0');
       $rejecteds = iterator_to_array($DB->request(['FROM' => \NotImportedEmail::getTable()]));
 
       $this->array($rejecteds)->hasSize(2);