diff --git a/lib/cancelgroupform.php b/lib/cancelgroupform.php
index c328f358c8..f4a44b5b5b 100644
--- a/lib/cancelgroupform.php
+++ b/lib/cancelgroupform.php
@@ -112,6 +112,6 @@ class CancelGroupForm extends Form
     function formActions()
     {
         // TRANS: Submit button text on form to cancel group join request.
-        $this->out->submit('submit', _('BUTTON','Cancel join request'));
+        $this->out->submit('submit', _m('BUTTON','Cancel join request'));
     }
 }