diff --git a/activitypub.php b/activitypub.php
index 84460df..691a318 100644
--- a/activitypub.php
+++ b/activitypub.php
@@ -25,7 +25,7 @@ function init() {
 	\defined( 'ACTIVITYPUB_HASHTAGS_REGEXP' ) || \define( 'ACTIVITYPUB_HASHTAGS_REGEXP', '(?:(?<=\s)|(?<=<p>)|(?<=<br>)|^)#([A-Za-z0-9_]+)(?:(?=\s|[[:punct:]]|$))' );
 	\defined( 'ACTIVITYPUB_USERNAME_REGEXP' ) || \define( 'ACTIVITYPUB_USERNAME_REGEXP', '(?:([A-Za-z0-9_-]+)@((?:[A-Za-z0-9_-]+\.)+[A-Za-z]+))' );
 	\defined( 'ACTIVITYPUB_CUSTOM_POST_CONTENT' ) || \define( 'ACTIVITYPUB_CUSTOM_POST_CONTENT', "<strong>[ap_title]</strong>\n\n[ap_content]\n\n[ap_hashtags]\n\n[ap_shortlink]" );
-  \defined( 'ACTIVITYPUB_SECURE_MODE' ) || \define( 'ACTIVITYPUB_SECURE_MODE', apply_filters( 'activitypub_secure_mode', $value = false ) );
+	\defined( 'ACTIVITYPUB_SECURE_MODE' ) || \define( 'ACTIVITYPUB_SECURE_MODE', apply_filters( 'activitypub_secure_mode', $value = false ) );
 
 	\define( 'ACTIVITYPUB_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
 	\define( 'ACTIVITYPUB_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );