diff --git a/core/default_settings/app_defaults.php b/core/default_settings/app_defaults.php
index 2c094242ed..5bb950e2ec 100644
--- a/core/default_settings/app_defaults.php
+++ b/core/default_settings/app_defaults.php
@@ -178,7 +178,7 @@ if ($domains_processed == 1) {
 		$x++;
 		$array[$x]['default_setting_category'] = 'email';
 		$array[$x]['default_setting_subcategory'] = 'smtp_validate_certificate';
-		$array[$x]['default_setting_name'] = 'bolean';
+		$array[$x]['default_setting_name'] = 'boolean';
 		$array[$x]['default_setting_value'] = 'true';
 		$array[$x]['default_setting_enabled'] = 'true';
 		$array[$x]['default_setting_description'] = 'set to false to ignore SSL certificate warnings e.g. for self-signed certificates';