diff --git a/app/mailers/mailer.rb b/app/mailers/mailer.rb
index d0e6080bb..fcc2a62b1 100644
--- a/app/mailers/mailer.rb
+++ b/app/mailers/mailer.rb
@@ -38,7 +38,7 @@ class Mailer < ApplicationMailer
     @author = spending_proposal.author
 
     with_user(@author) do
-      mail(to: @author.email, subject: t('mailers.unfeasible_spending_proposal.subject'))
+      mail(to: @author.email, subject: t('mailers.unfeasible_spending_proposal.subject', code: @spending_proposal.code))
     end
   end
 
diff --git a/spec/features/emails_spec.rb b/spec/features/emails_spec.rb
index 849c5a7e2..3ca35a14c 100644
--- a/spec/features/emails_spec.rb
+++ b/spec/features/emails_spec.rb
@@ -140,11 +140,10 @@ feature 'Emails' do
     spending_proposal.reload
 
     email = open_last_email
-    expect(email).to have_subject('Your spending proposal has been marked as not feasible')
+    expect(email).to have_subject("Your investment project '#{spending_proposal.id}-#{spending_proposal.administrator.id}' has been marked as unfeasible")
     expect(email).to deliver_to(spending_proposal.author.email)
     expect(email).to have_body_text(spending_proposal.title)
     expect(email).to have_body_text(spending_proposal.feasible_explanation)
-    expect(email).to have_body_text("#{spending_proposal.id}-#{spending_proposal.administrator.id}")
   end
 
 end