diff --git a/CHANGELOG.md b/CHANGELOG.md
index ebdc85b..dc5f34a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,12 @@
 # Changelog
 
+
 ### __[v#.#]__ - date
 ##### Added
 - Telegram-Plugin: In der generierten Übersichtkarte wird eine Anfahrtsroute integriert. Der Abfahrtsort ist konfiguierbar. [#382](https://github.com/Schrolli91/BOSWatch/pull/382)
 - Hue-Plugin: Geräte die mit einer Hue bridge verbunden sind können aus BOSWatch ein- und ausgeschaltet werden. [#394](https://github.com/Schrolli91/BOSWatch/issues/394)
 ##### Changed
+- FFAgent Plugin: zusätzliches OrderedDict "alarmHeadersOrdered" implementiert um das HTTP Header Ordering sicherzustellen. Zusätzlich den HTTP Request mittels Session implementiert um das Header Ordering zu bewahren. Zusätzliches Debug Logging für die Header implementiert. [#356] (https://github.com/Schrolli91/BOSWatch/issues/356)
 ##### Deprecated
 ##### Removed
 ##### Fixed
diff --git a/includes/globalVars.py b/includes/globalVars.py
index 25962e3..52c57ff 100644
--- a/includes/globalVars.py
+++ b/includes/globalVars.py
@@ -13,7 +13,6 @@ versionNr = "2.4.3"
 branch = "dev"
 buildDate = "unreleased"
 
-
 # Global variables
 config = 0
 script_path = ""
diff --git a/plugins/FFAgent/FFAgent.py b/plugins/FFAgent/FFAgent.py
index 561ca86..7ab8a92 100644
--- a/plugins/FFAgent/FFAgent.py
+++ b/plugins/FFAgent/FFAgent.py
@@ -13,6 +13,8 @@ import logging # Global logger
 import hmac, hashlib
 import json, requests
 
+from collections import OrderedDict
+
 from includes import globalVars  # Global variables
 
 #from includes.helper import timeHandler
@@ -123,8 +125,9 @@ def run(typ,freq,data):
 					}
 
 				alarmData = json.dumps(alarmData)
+				
 				logging.debug(alarmData)
-
+				
 				alarmHeaders = {
 					"Content-Type": "application/json",
 					"webApiToken": webApiToken,
@@ -132,12 +135,30 @@ def run(typ,freq,data):
 					"selectiveCallCode": selectiveCallCode,
 					"hmac": hmac.new(webApiKey, webApiToken + selectiveCallCode + accessToken + alarmData, digestmod=hashlib.sha256).hexdigest()
 				}
+				
 				logging.debug(alarmHeaders)
 
+	            alarmHeadersOrdered=OrderedDict()
+                alarmHeadersOrdered['webApiToken']=webApiToken
+                alarmHeadersOrdered['accessToken']=accessToken
+                alarmHeadersOrdered['selectiveCallCode']=selectiveCallCode
+                alarmHeadersOrdered['hmac']=hmac.new(webApiKey, webApiToken + selectiveCallCode + accessToken + alarmData, digestmod=hashlib.sha256).hexdigest()
+				
+				logging.debug(alarmHeadersOrdered)
+
 				if globalVars.config.get("FFAgent", "live") == "1":
-					r = requests.post(url, data=alarmData, headers=alarmHeaders, verify=serverCertFile, cert=(clientCertFile, clientCertPass))
+					s = requests.Session()
+					s.headers = OrderedDict([('Content-Type', 'application/json')])
+					logging.debug(s.headers)
+					r = s.post(url, data=alarmData, headers=alarmHeadersOrdered, verify=serverCertFile, cert=(clientCertFile, clientCertPass))
+
 				else:
-					r = requests.post(url, data=alarmData, headers=alarmHeaders, verify=serverCertFile)
+					s = requests.Session()
+					s.headers = OrderedDict([('Content-Type', 'application/json')])
+					logging.debug(s.headers)
+					r = s.post(url, data=alarmData, headers=alarmHeadersOrdered, verify=serverCertFile)
+				
+				logging.debug(r.request.headers)
 
 			except:
 				logging.error("cannot send FFAgent request")