diff --git a/mod/forum/tests/portfolio_caller_test.php b/mod/forum/tests/portfolio_caller_test.php
index 572068e64da..fab32c1b90e 100644
--- a/mod/forum/tests/portfolio_caller_test.php
+++ b/mod/forum/tests/portfolio_caller_test.php
@@ -136,6 +136,7 @@ class mod_forum_portfolio_caller_testcase extends advanced_testcase {
             'attachment' => $secondpostfile->get_id()
         ));
 
+        $this->expectException(portfolio_caller_exception::class);
         $this->expectExceptionMessage('Sorry, the requested file could not be found');
         $caller->load_data();
     }