diff --git a/configs/development.py b/configs/development.py
index e92ac72..3dbb17b 100644
--- a/configs/development.py
+++ b/configs/development.py
@@ -7,6 +7,7 @@ SALT = '$2b$12$yLUMTIfl21FKJQpTkRQXCu'
 SECRET_KEY = 'e951e5a1f4b94151b360f47edf596dd2'
 BIND_ADDRESS = '0.0.0.0'
 PORT = 9191
+SERVER_EXTERNAL_SSL = None
 
 ### DATABASE CONFIG
 SQLA_DB_USER = 'pda'
diff --git a/configs/docker_config.py b/configs/docker_config.py
index 652777a..4194aa9 100644
--- a/configs/docker_config.py
+++ b/configs/docker_config.py
@@ -6,6 +6,7 @@ import json
 # Defaults for Docker image
 BIND_ADDRESS = '0.0.0.0'
 PORT = 80
+SERVER_EXTERNAL_SSL = True
 SQLALCHEMY_DATABASE_URI = 'sqlite:////data/powerdns-admin.db'
 SESSION_COOKIE_SAMESITE = 'Lax'
 CSRF_COOKIE_HTTPONLY = True
diff --git a/powerdnsadmin/default_config.py b/powerdnsadmin/default_config.py
index 3ae1b13..723cb85 100644
--- a/powerdnsadmin/default_config.py
+++ b/powerdnsadmin/default_config.py
@@ -8,7 +8,7 @@ SECRET_KEY = 'e951e5a1f4b94151b360f47edf596dd2'
 BIND_ADDRESS = '0.0.0.0'
 PORT = 9191
 HSTS_ENABLED = False
-SERVER_EXTERNAL_SSL = None
+SERVER_EXTERNAL_SSL = True
 
 SESSION_TYPE = 'sqlalchemy'
 SESSION_COOKIE_SAMESITE = 'Lax'