diff --git a/config/initializers/content_security_policy.rb b/config/initializers/content_security_policy.rb
index f33a119f6..aa0407162 100644
--- a/config/initializers/content_security_policy.rb
+++ b/config/initializers/content_security_policy.rb
@@ -1,6 +1,6 @@
 Rails.application.config.content_security_policy do |policy|
   # Whitelist image
-  policy.img_src :self, "*.openstreetmap.org", "static.demarches-simplifiees.fr", "*.cloud.ovh.net", "stats.data.gouv.fr", "*", :data
+  policy.img_src :self, "*.openstreetmap.org", "static.demarches-simplifiees.fr", "*.cloud.ovh.net", "stats.data.gouv.fr", "*", :data, :blob
   # Whitelist JS: nous, sendinblue et matomo
   # miniprofiler et nous avons quelques boutons inline :(
   policy.script_src :self, "stats.data.gouv.fr", "*.sendinblue.com", "*.crisp.chat", "crisp.chat", "*.sibautomation.com", "sibautomation.com", :unsafe_eval, :unsafe_inline, :blob
@@ -11,7 +11,7 @@ Rails.application.config.content_security_policy do |policy|
   policy.connect_src :self, "wss://*.crisp.chat", "*.crisp.chat", "*.demarches-simplifiees.fr", "in-automate.sendinblue.com", "app.franceconnect.gouv.fr", "sentry.io", "geo.api.gouv.fr", "api-adresse.data.gouv.fr", "openmaptiles.geo.data.gouv.fr", "openmaptiles.github.io", "tiles.geo.api.gouv.fr"
   # Pour tout le reste, par défaut on accepte uniquement ce qui vient de chez nous
   # et dans la notification on inclue la source de l'erreur
-  policy.default_src :self, :data, :report_sample, "fonts.gstatic.com", "in-automate.sendinblue.com", "player.vimeo.com", "app.franceconnect.gouv.fr", "sentry.io", "static.demarches-simplifiees.fr", "*.crisp.chat", "crisp.chat", "*.crisp.help", "*.sibautomation.com", "sibautomation.com", "data"
+  policy.default_src :self, :data, :blob, :report_sample, "fonts.gstatic.com", "in-automate.sendinblue.com", "player.vimeo.com", "app.franceconnect.gouv.fr", "sentry.io", "static.demarches-simplifiees.fr", "*.crisp.chat", "crisp.chat", "*.crisp.help", "*.sibautomation.com", "sibautomation.com", "data"
   if Rails.env.development?
     # Les CSP ne sont pas appliquées en dev: on notifie cependant une url quelconque de la violation
     # pour détecter les erreurs lors de l'ajout d'une nouvelle brique externe durant le développement