diff --git a/cps/__init__.py b/cps/__init__.py
index a8d6233b..771abda7 100644
--- a/cps/__init__.py
+++ b/cps/__init__.py
@@ -72,6 +72,7 @@ app.config.update(
     SESSION_COOKIE_HTTPONLY=True,
     SESSION_COOKIE_SAMESITE='Lax',
     REMEMBER_COOKIE_SAMESITE='Lax',  # will be available in flask-login 0.5.1 earliest
+    WTF_CSRF_SSL_STRICT=False
 )