diff --git a/etebase_server/settings.py b/etebase_server/settings.py
index f6c726d..8731083 100644
--- a/etebase_server/settings.py
+++ b/etebase_server/settings.py
@@ -163,10 +163,18 @@ if any(os.path.isfile(x) for x in config_locations):
         ETEBASE_REDIS_URI = section.get("redis_uri")
 
     if "allowed_hosts" in config:
+        if "ports" in config and "https_port" in config["ports"]:
+            https_port = ":" + config["ports"]["https_port"]
+        else:
+            https_port = ""
+        if "ports" in config and "http_port" in config["ports"]:
+            http_port = ":" + config["ports"]["http_port"]
+        else:
+            http_port = ""
         ALLOWED_HOSTS = [y for x, y in config.items("allowed_hosts")]
-        CSRF_TRUSTED_ORIGINS = ["https://" + y for x, y in config.items("allowed_hosts")] + \
-                               ["http://" + y for x, y in config.items("allowed_hosts")]
-
+        CSRF_TRUSTED_ORIGINS = ["https://" + y + https_port for x, y in config.items("allowed_hosts")] + \
+                               ["http://" + y + http_port for x, y in config.items("allowed_hosts")]
+    
     if "database" in config:
         DATABASES = {"default": {x.upper(): y for x, y in config.items("database")}}