diff --git a/app/grandstream/app_config.php b/app/grandstream/app_config.php
index 34deec62a4..f916251f75 100644
--- a/app/grandstream/app_config.php
+++ b/app/grandstream/app_config.php
@@ -344,7 +344,7 @@
 		$y++;
 		$apps[$x]['default_settings'][$y]['default_setting_uuid'] = "5d68ccaa-34c3-46f4-8ba5-d105e135a073";
 		$apps[$x]['default_settings'][$y]['default_setting_category'] = "provision";
-		$apps[$x]['default_settings'][$y]['default_setting_subcategory'] = "grandstream_fax_enabled";
+		$apps[$x]['default_settings'][$y]['default_setting_subcategory'] = "grandstream_fxs_enabled";
 		$apps[$x]['default_settings'][$y]['default_setting_name'] = "numeric";
 		$apps[$x]['default_settings'][$y]['default_setting_value'] = "0";
 		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "true";