diff --git a/lib/govuk_app_config/govuk_content_security_policy.rb b/lib/govuk_app_config/govuk_content_security_policy.rb
index 97a83de..cb0b33a 100644
--- a/lib/govuk_app_config/govuk_content_security_policy.rb
+++ b/lib/govuk_app_config/govuk_content_security_policy.rb
@@ -51,6 +51,7 @@ def self.build_policy(policy)
     policy.script_src :self,
                       *GOOGLE_ANALYTICS_DOMAINS,
                       *GOOGLE_STATIC_DOMAINS,
+                      *GOVUK_DOMAINS,
                       # Allow YouTube Embeds (Govspeak turns YouTube links into embeds)
                       "*.ytimg.com",
                       "www.youtube.com",