diff --git a/docker/settings.py b/docker/settings.py
index a73178c..33ab332 100644
--- a/docker/settings.py
+++ b/docker/settings.py
@@ -307,6 +307,7 @@ TOOLS_LOG_DIR = ""
 
 USE_X_FORWARDED_HOST = True
 ALLOWED_HOSTS = [os.getenv('HOSTNAME', 'layers.test')]
+CSRF_TRUSTED_ORIGINS = ['https://' + os.getenv('HOSTNAME', 'layers.test')]
 SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
 SECURE_BROWSER_XSS_FILTER = True
 SECURE_CONTENT_TYPE_NOSNIFF = True