diff --git a/src/Core/System.php b/src/Core/System.php
index feed85e21..37e6d8a1c 100644
--- a/src/Core/System.php
+++ b/src/Core/System.php
@@ -136,12 +136,13 @@ class System
 	 * and adds an application/json HTTP header to the output.
 	 * After finishing the process is getting killed.
 	 *
-	 * @param mixed  $x The input content.
-	 * @param string $content_type Type of the input (Default: 'application/json').
+	 * @param mixed   $x The input content.
+	 * @param string  $content_type Type of the input (Default: 'application/json').
+	 * @param integer $options JSON options
 	 */
-	public static function jsonExit($x, $content_type = 'application/json') {
+	public static function jsonExit($x, $content_type = 'application/json', int $options = null) {
 		header("Content-type: $content_type");
-		echo json_encode($x);
+		echo json_encode($x, $options);
 		exit();
 	}
 
diff --git a/src/Module/NodeInfo110.php b/src/Module/NodeInfo110.php
index 954f36219..79e215e4f 100644
--- a/src/Module/NodeInfo110.php
+++ b/src/Module/NodeInfo110.php
@@ -23,6 +23,7 @@ namespace Friendica\Module;
 
 use Friendica\BaseModule;
 use Friendica\Core\Addon;
+use Friendica\Core\System;
 use Friendica\DI;
 use Friendica\Model\Nodeinfo;
 
@@ -85,8 +86,6 @@ class NodeInfo110 extends BaseModule
 
 		$nodeinfo['metadata']['explicitContent'] = $config->get('system', 'explicit_content', false) == true;
 
-		header('Content-type: application/json; charset=utf-8');
-		echo json_encode($nodeinfo, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
-		exit;
+		System::jsonExit($nodeinfo, 'application/json; charset=utf-8', JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
 	}
 }
diff --git a/src/Module/NodeInfo120.php b/src/Module/NodeInfo120.php
index 330c5e10d..56054d7b6 100644
--- a/src/Module/NodeInfo120.php
+++ b/src/Module/NodeInfo120.php
@@ -23,6 +23,7 @@ namespace Friendica\Module;
 
 use Friendica\BaseModule;
 use Friendica\Core\Addon;
+use Friendica\Core\System;
 use Friendica\DI;
 use Friendica\Model\Nodeinfo;
 
@@ -79,8 +80,6 @@ class NodeInfo120 extends BaseModule
 
 		$nodeinfo['metadata']['explicitContent'] = $config->get('system', 'explicit_content', false) == true;
 
-		header('Content-type: application/json; charset=utf-8');
-		echo json_encode($nodeinfo, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
-		exit;
+		System::jsonExit($nodeinfo, 'application/json; charset=utf-8', JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
 	}
 }
diff --git a/src/Module/NodeInfo210.php b/src/Module/NodeInfo210.php
index 63a174983..a95e37fa2 100644
--- a/src/Module/NodeInfo210.php
+++ b/src/Module/NodeInfo210.php
@@ -23,6 +23,7 @@ namespace Friendica\Module;
 
 use Friendica\BaseModule;
 use Friendica\Core\Addon;
+use Friendica\Core\System;
 use Friendica\DI;
 use Friendica\Model\Nodeinfo;
 
@@ -77,8 +78,6 @@ class NodeInfo210 extends BaseModule
 			$nodeinfo['services']['inbound'][] = 'imap';
 		}
 
-		header('Content-type: application/json; charset=utf-8');
-		echo json_encode($nodeinfo, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
-		exit;
+		System::jsonExit($nodeinfo, 'application/json; charset=utf-8', JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
 	}
 }