diff --git a/app/controllers/idv/by_mail/request_letter_controller.rb b/app/controllers/idv/by_mail/request_letter_controller.rb
index 739e33b5a13..e393395254d 100644
--- a/app/controllers/idv/by_mail/request_letter_controller.rb
+++ b/app/controllers/idv/by_mail/request_letter_controller.rb
@@ -112,7 +112,7 @@ def resend_letter
 
       def confirmation_maker_perform
         confirmation_maker = GpoConfirmationMaker.new(
-          pii: Pii::Cacher.new(current_user, user_session).fetch,
+          pii: pii,
           service_provider: current_sp,
           profile: current_user.pending_profile,
         )
@@ -120,6 +120,11 @@ def confirmation_maker_perform
         confirmation_maker
       end
 
+      def pii
+        Pii::Cacher.new(current_user, user_session).
+          fetch(current_user.gpo_verification_pending_profile.id)
+      end
+
       def send_reminder
         current_user.send_email_to_all_addresses(:letter_reminder)
       end
diff --git a/spec/controllers/idv/by_mail/request_letter_controller_spec.rb b/spec/controllers/idv/by_mail/request_letter_controller_spec.rb
index 2e0a7c38980..18958ff6c6b 100644
--- a/spec/controllers/idv/by_mail/request_letter_controller_spec.rb
+++ b/spec/controllers/idv/by_mail/request_letter_controller_spec.rb
@@ -181,7 +181,7 @@
 
     context 'resending a letter' do
       let(:has_pending_profile) { true }
-      let(:pending_profile) { create(:profile, :verify_by_mail_pending) }
+      let(:pending_profile) { create(:profile, :with_pii, :verify_by_mail_pending) }
 
       before do
         stub_sign_in(user)
@@ -245,9 +245,9 @@
   end
 
   def expect_resend_letter_to_send_letter_and_redirect(otp:)
-    pii = { first_name: 'Samuel', last_name: 'Sampson' }
+    pii = pending_profile.decrypt_pii(user.password).to_h
     pii_cacher = instance_double(Pii::Cacher)
-    allow(pii_cacher).to receive(:fetch).and_return(pii)
+    allow(pii_cacher).to receive(:fetch).with(pending_profile.id).and_return(pii)
     allow(pii_cacher).to receive(:exists_in_session?).and_return(true)
     allow(Pii::Cacher).to receive(:new).and_return(pii_cacher)