diff --git a/app/controllers/concerns/sessions_management.rb b/app/controllers/concerns/sessions_management.rb
index e3a51b559..ef0e51c74 100644
--- a/app/controllers/concerns/sessions_management.rb
+++ b/app/controllers/concerns/sessions_management.rb
@@ -33,7 +33,7 @@ def login(interactor_call)
     if interactor_call.success?
       sign_in_and_redirect(interactor_call.user)
     else
-      error_message(title: t(".#{interactor_call.message}.title"), description: t(".#{interactor_call.message}.description"))
+      send(extract_flash_kind(interactor_call.message), title: t(".#{interactor_call.message}.title"), description: t(".#{interactor_call.message}.description"))
 
       redirect_to login_path
     end
@@ -61,4 +61,13 @@ def oauth_logout_url
   def oauth_api_gouv_client_id
     Rails.configuration.public_send("oauth_api_gouv_client_id_#{namespace.gsub('api_', '')}")
   end
+
+  def extract_flash_kind(message)
+    case message
+    when 'not_found'
+      'info_message'
+    else
+      'error_message'
+    end
+  end
 end
diff --git a/spec/features/api_entreprise/signin_process_datapass_spec.rb b/spec/features/api_entreprise/signin_process_datapass_spec.rb
index 9b01c41b2..8c6fbc47f 100644
--- a/spec/features/api_entreprise/signin_process_datapass_spec.rb
+++ b/spec/features/api_entreprise/signin_process_datapass_spec.rb
@@ -97,6 +97,6 @@
       expect(page).to have_current_path(login_path, ignore_query: true)
     end
 
-    it_behaves_like 'display alert', :error
+    it_behaves_like 'display alert', :info
   end
 end
diff --git a/spec/features/api_particulier/signin_process_datapass_spec.rb b/spec/features/api_particulier/signin_process_datapass_spec.rb
index e16f3e4ac..0cd5e6759 100644
--- a/spec/features/api_particulier/signin_process_datapass_spec.rb
+++ b/spec/features/api_particulier/signin_process_datapass_spec.rb
@@ -91,6 +91,6 @@
       expect(page).to have_current_path(api_particulier_login_path, ignore_query: true)
     end
 
-    it_behaves_like 'display alert', :error
+    it_behaves_like 'display alert', :info
   end
 end