diff --git a/up/settings/base.py b/up/settings/base.py
index c417a263..e73a1e04 100644
--- a/up/settings/base.py
+++ b/up/settings/base.py
@@ -185,9 +185,10 @@
 CSPURL_SENTRY = "https://sentry.io"
 
 CSP_SELF = "'self'"
+CSP_NONE = "'none'"
 
 # CSP konfigurace
-CSP_DEFAULT_SRC = ("'none'",)
+CSP_DEFAULT_SRC = (CSP_NONE,)
 CSP_STYLE_SRC = (
     CSP_SELF,
     "'unsafe-inline'",
@@ -197,3 +198,6 @@
 CSP_SCRIPT_SRC = (CSP_SELF, CSPURL_SENTRY, CSPURL_GOOGLE_ANALYTICS, CSPURL_GOOGLE_ANALYTICS_SSL)
 CSP_FONT_SRC = (CSP_SELF, CSPURL_GOOGLE_FONTS_FONT)
 CSP_IMG_SRC = (CSP_SELF, CSPURL_GOOGLE_ANALYTICS, "data:")
+CSP_FRAME_ANCESTORS = (CSP_NONE,)
+CSP_FORM_ACTION = (CSP_NONE,)
+CSP_BASE_URI = (CSP_NONE,)