diff --git a/activitypub.php b/activitypub.php
index 0c73efe..cacdce2 100644
--- a/activitypub.php
+++ b/activitypub.php
@@ -34,7 +34,7 @@ require_once __DIR__ . '/includes/functions.php';
 \defined( 'ACTIVITYPUB_AUTHORIZED_FETCH' ) || \define( 'ACTIVITYPUB_AUTHORIZED_FETCH', false );
 \defined( 'ACTIVITYPUB_DISABLE_REWRITES' ) || \define( 'ACTIVITYPUB_DISABLE_REWRITES', false );
 \defined( 'ACTIVITYPUB_DEFAULT_TRANSFORMER' ) || \define( 'ACTIVITYPUB_DEFAULT_TRANSFORMER', 'activitypub/default' );
-
+\defined( 'ACTIVITYPUB_JSON_FORMAT_OPTIONS' ) || \define( 'ACTIVITYPUB_JSON_FORMAT_OPTIONS', \JSON_HEX_TAG | \JSON_HEX_AMP | \JSON_HEX_QUOT | \JSON_UNESCAPED_SLASHES);
 
 \define( 'ACTIVITYPUB_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
 \define( 'ACTIVITYPUB_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
diff --git a/templates/post-json.php b/templates/post-json.php
index 996d229..581f897 100644
--- a/templates/post-json.php
+++ b/templates/post-json.php
@@ -20,7 +20,7 @@ if ( \get_query_var( 'pretty' ) ) {
 	$options |= \JSON_PRETTY_PRINT; // phpcs:ignore
 }
 
-$options |= \JSON_HEX_TAG | \JSON_HEX_AMP | \JSON_HEX_QUOT;
+$options |= ACTIVITYPUB_JSON_FORMAT_OPTIONS;
 
 /*
  * Options to be passed to json_encode()
@@ -31,7 +31,6 @@ $options = \apply_filters( 'activitypub_json_post_options', $options );
 
 \header( 'Content-Type: application/activity+json' );
 echo \wp_json_encode( $json, $options );
-
 /*
  * Action triggerd after the ActivityPub profile has been created and sent to the client
  */