diff --git a/app/lib/active_storage/service/ds_proxy_service.rb b/app/lib/active_storage/service/ds_proxy_service.rb
index e81fdfacb..78c420693 100644
--- a/app/lib/active_storage/service/ds_proxy_service.rb
+++ b/app/lib/active_storage/service/ds_proxy_service.rb
@@ -27,7 +27,7 @@ module ActiveStorage
 
     def publicize(url)
       search = %r{^https://[^/]+/v1/AUTH_[a-f0-9]{32}}
-      replace = "https://#{ENV['APP_HOST']}/direct-upload"
+      replace = 'https://static.demarches-simplifiees.fr'
       url.gsub(search, replace)
     end
   end
diff --git a/spec/lib/active_storage/service/ds_proxy_service.rb b/spec/lib/active_storage/service/ds_proxy_service.rb
index 87889d76f..90814b21b 100644
--- a/spec/lib/active_storage/service/ds_proxy_service.rb
+++ b/spec/lib/active_storage/service/ds_proxy_service.rb
@@ -1,20 +1,17 @@
 describe ActiveStorage::Service::DsProxyService do
   let(:private_host) { 'storage.sbg1.cloud.ovh.net:443' }
-  let(:public_host) { 'www.demarches-simplifiees.fr' }
+  let(:public_host) { 'static.demarches-simplifiees.fr' }
   let(:auth) { 'AUTH_a24c37ed11a84896914514384898c34b' }
   let(:bucket) { 'test_local' }
   let(:key) { '2R6rr89nFeSRkSgXHd3smvEf' }
   let(:temp_url_params) { 'temp_url_sig=5ab8cfc3ba5da2598a6c88cc6b1b461fe4e115bc&temp_url_expires=1547598179' }
-  let(:storage_service) { storage_service = double(ActiveStorage::Service) }
 
-  subject do
-    allow(ENV).to receive(:[]).with('APP_HOST').and_return(public_host)
-    ActiveStorage::Service::DsProxyService.new(wrapped: storage_service)
-  end
+  let(:storage_service) { storage_service = double(ActiveStorage::Service) }
+  subject { ActiveStorage::Service::DsProxyService.new(wrapped: storage_service) }
 
   describe '#url' do
     let(:private_url) { "https://#{private_host}/v1/#{auth}/#{bucket}/#{key}?#{temp_url_params}" }
-    let(:public_url) { "https://#{public_host}/direct-upload/#{bucket}/#{key}?#{temp_url_params}" }
+    let(:public_url) { "https://#{public_host}/#{bucket}/#{key}?#{temp_url_params}" }
 
     before do
       expect(storage_service).to receive(:url).and_return(private_url)
@@ -28,7 +25,7 @@ describe ActiveStorage::Service::DsProxyService do
   describe '#url_for_direct_upload' do
     let(:download_params) { 'inline&filename=documents_top_confidentiels.bmp' }
     let(:private_url) { "https://#{private_host}/v1/#{auth}/#{bucket}/#{key}?#{temp_url_params}&#{download_params}" }
-    let(:public_url) { "https://#{public_host}/direct-upload/#{bucket}/#{key}?#{temp_url_params}&#{download_params}" }
+    let(:public_url) { "https://#{public_host}/#{bucket}/#{key}?#{temp_url_params}&#{download_params}" }
 
     before do
       expect(storage_service).to receive(:url_for_direct_upload).and_return(private_url)