diff --git a/backend/app/policies/enrollment/api_impot_particulier_unique_policy.rb b/backend/app/policies/enrollment/api_impot_particulier_unique_policy.rb
index 9e1ad42d8..5966aaa5c 100644
--- a/backend/app/policies/enrollment/api_impot_particulier_unique_policy.rb
+++ b/backend/app/policies/enrollment/api_impot_particulier_unique_policy.rb
@@ -4,8 +4,10 @@ class Enrollment::ApiImpotParticulierUniquePolicy < Enrollment::UniquePolicy
   def permitted_attributes
     res = super
 
-    res[:scopes] = impot_particulier_permitted_scopes
-    augment_permitted_attributes(res, :additional_content, *impot_particulier_permitted_acces)
+    res.concat([
+      scopes: impot_particulier_permitted_scopes
+    ])
+
     res
   end
 end
diff --git a/backend/app/policies/enrollment/api_sfip_sandbox_policy.rb b/backend/app/policies/enrollment/api_sfip_sandbox_policy.rb
index 7673c05d7..c418f7e12 100644
--- a/backend/app/policies/enrollment/api_sfip_sandbox_policy.rb
+++ b/backend/app/policies/enrollment/api_sfip_sandbox_policy.rb
@@ -6,8 +6,10 @@ class Enrollment::ApiSfipSandboxPolicy < Enrollment::SandboxPolicy
   def permitted_attributes
     res = super
 
-    res[:scopes] = impot_particulier_permitted_scopes
-    augment_permitted_attributes(res, :additional_content, *impot_particulier_permitted_acces)
+    res.concat([
+      scopes: impot_particulier_permitted_scopes
+    ])
+
     res
   end
 end
diff --git a/backend/app/policies/enrollment/api_sfip_unique_policy.rb b/backend/app/policies/enrollment/api_sfip_unique_policy.rb
index f1c4ff99b..14744f145 100644
--- a/backend/app/policies/enrollment/api_sfip_unique_policy.rb
+++ b/backend/app/policies/enrollment/api_sfip_unique_policy.rb
@@ -6,8 +6,10 @@ class Enrollment::ApiSfipUniquePolicy < Enrollment::UniquePolicy
   def permitted_attributes
     res = super
 
-    res[:scopes] = impot_particulier_permitted_scopes
-    augment_permitted_attributes(res, :additional_content, *impot_particulier_permitted_acces)
+    res.concat([
+      scopes: impot_particulier_permitted_scopes
+    ])
+
     res
   end
 end