diff --git a/Belevo_Server_Kommunikation/module.php b/Belevo_Server_Kommunikation/module.php
index 454e6a4..f39ee62 100644
--- a/Belevo_Server_Kommunikation/module.php
+++ b/Belevo_Server_Kommunikation/module.php
@@ -165,7 +165,7 @@ return $json;
 
     $options = [
         'http' => [
-            'header'  => "daten: " . $json . "\r\n".
+            'header'  => "Content-Type: application/json\r\n".
                          "id: test\r\n",
             'method'  => 'POST',
             
diff --git a/library.json b/library.json
index c5fbe72..481ed5b 100644
--- a/library.json
+++ b/library.json
@@ -6,7 +6,7 @@
     "compatibility": {
         "version": "7.1"
     },
-    "version": "0.55",
+    "version": "0.56",
     "build": 0,
     "date": 0
 }
\ No newline at end of file