diff --git a/conf/application.conf b/conf/application.conf
index 46aee3bc..5b040a32 100644
--- a/conf/application.conf
+++ b/conf/application.conf
@@ -43,7 +43,7 @@ play.filters.csp {
     style-src = "'self' 'unsafe-inline' stats.data.gouv.fr"
     # "img-src data:" needed for MDL (image are loaded by JS)
     img-src = "'self' data: stats.data.gouv.fr"
-    frame-src = "'self' https://www.dailymotion.com"
+    frame-src = "'self' *.aplus.beta.gouv.fr https://www.dailymotion.com"
     font-src = "'self'"
     connect-src = "'self' https://stats.data.gouv.fr"
     frame-ancestors = "'self'"