diff --git a/includes/Hooks.php b/includes/Hooks.php
index ed3dfa2f2..9b119ee41 100644
--- a/includes/Hooks.php
+++ b/includes/Hooks.php
@@ -317,7 +317,6 @@ class Hooks implements
 			// Email format
 			$preferences['echo-email-format'] = [
 				'type' => 'select',
-				'default' => EmailFormat::HTML,
 				'label-message' => 'echo-pref-email-format',
 				'section' => 'echo/emailsettings',
 				'options-messages' => [