diff --git a/app/models/signature.rb b/app/models/signature.rb
index b30d4a429..6116dc425 100644
--- a/app/models/signature.rb
+++ b/app/models/signature.rb
@@ -51,7 +51,7 @@ class Signature < ActiveRecord::Base
       created_from_signature: true,
       verified_at: Time.now,
       erased_at: Time.now,
-      email: "#{document_number}@signatures.com",
+      email: "#{document_number}@inexistent.dev",
       password: "12345678",
       username: document_number,
       terms_of_service: '1'
diff --git a/app/views/admin/signature_sheets/new.html.erb b/app/views/admin/signature_sheets/new.html.erb
index 013913346..f471e1ea5 100644
--- a/app/views/admin/signature_sheets/new.html.erb
+++ b/app/views/admin/signature_sheets/new.html.erb
@@ -19,4 +19,4 @@
   <%= f.text_area :document_numbers, rows: "6", label: false %>
 
   <%= f.submit(class: "button", value: t("admin.signature_sheets.new.submit")) %>
-<% end %>
+<% end %>
\ No newline at end of file
diff --git a/spec/features/admin/signature_sheets_spec.rb b/spec/features/admin/signature_sheets_spec.rb
index 4c959d1ee..a2474834a 100644
--- a/spec/features/admin/signature_sheets_spec.rb
+++ b/spec/features/admin/signature_sheets_spec.rb
@@ -29,6 +29,10 @@ feature 'Signature sheets' do
     click_button "Create signature sheet"
 
     expect(page).to have_content "Signature sheet created successfully"
+
+    visit proposal_path(proposal)
+
+    expect(page).to have_content "1 support"
   end
 
   scenario 'Errors on create' do
diff --git a/spec/features/management/document_verifications_spec.rb b/spec/features/management/document_verifications_spec.rb
index 674349815..130630762 100644
--- a/spec/features/management/document_verifications_spec.rb
+++ b/spec/features/management/document_verifications_spec.rb
@@ -47,7 +47,7 @@ feature 'DocumentVerifications' do
   scenario 'Verifying a user which does exists in the census but not in the db redirects allows sending an email' do
 
     visit management_document_verifications_path
-    fill_in 'document_verification_document_number', with: '1234'
+    fill_in 'document_verification_document_number', with: '12345678Z'
     click_button 'Check'
 
     expect(page).to have_content "Please introduce the email used on the account"
@@ -66,7 +66,7 @@ feature 'DocumentVerifications' do
     expect_any_instance_of(Verification::Management::Document).to receive(:under_sixteen?).and_return(true)
 
     visit management_document_verifications_path
-    fill_in 'document_verification_document_number', with: '1234'
+    fill_in 'document_verification_document_number', with: '12345678Z'
     click_button 'Check'
 
     expect(page).to have_content "You must be over 16 to verify your account."
diff --git a/spec/features/management/email_verifications_spec.rb b/spec/features/management/email_verifications_spec.rb
index 22987f317..d68d9bd5f 100644
--- a/spec/features/management/email_verifications_spec.rb
+++ b/spec/features/management/email_verifications_spec.rb
@@ -8,7 +8,7 @@ feature 'EmailVerifications' do
     user = create(:user)
 
     visit management_document_verifications_path
-    fill_in 'document_verification_document_number', with: '1234'
+    fill_in 'document_verification_document_number', with: '12345678Z'
     click_button 'Check'
 
     expect(page).to have_content "Please introduce the email used on the account"
@@ -30,7 +30,7 @@ feature 'EmailVerifications' do
     expect(page).to_not have_link "Verify my account"
     expect(page).to have_content "Account verified"
 
-    expect(user.reload.document_number).to eq('1234')
+    expect(user.reload.document_number).to eq('12345678Z')
     expect(user).to be_level_three_verified
   end
 
diff --git a/spec/features/management/managed_users_spec.rb b/spec/features/management/managed_users_spec.rb
index 78010bc39..311b8f5cd 100644
--- a/spec/features/management/managed_users_spec.rb
+++ b/spec/features/management/managed_users_spec.rb
@@ -57,7 +57,7 @@ feature 'Managed User' do
       user = create(:user)
 
       visit management_document_verifications_path
-      fill_in 'document_verification_document_number', with: '1234'
+      fill_in 'document_verification_document_number', with: '12345678Z'
       click_button 'Check'
 
       within(".account-info") do
@@ -66,7 +66,7 @@ feature 'Managed User' do
         expect(page).not_to have_content "Email"
         expect(page).to have_content "Document type"
         expect(page).to have_content "Document number"
-        expect(page).to have_content "1234"
+        expect(page).to have_content "12345678Z"
       end
 
       expect(page).to have_content "Please introduce the email used on the account"
@@ -88,7 +88,7 @@ feature 'Managed User' do
       login_as_manager
 
       visit management_document_verifications_path
-      fill_in 'document_verification_document_number', with: '1234'
+      fill_in 'document_verification_document_number', with: '12345678Z'
       click_button 'Check'
 
       expect(page).to have_content "Please introduce the email used on the account"
diff --git a/spec/features/management/users_spec.rb b/spec/features/management/users_spec.rb
index 1a0618e60..694720cc0 100644
--- a/spec/features/management/users_spec.rb
+++ b/spec/features/management/users_spec.rb
@@ -9,7 +9,7 @@ feature 'Users' do
   scenario 'Create a level 3 user from scratch' do
 
     visit management_document_verifications_path
-    fill_in 'document_verification_document_number', with: '1234'
+    fill_in 'document_verification_document_number', with: '12345678Z'
     click_button 'Check'
 
     expect(page).to have_content "Please introduce the email used on the account"
@@ -45,10 +45,10 @@ feature 'Users' do
   end
 
   scenario 'Delete a level 2 user account from document verification page', :js do
-    level_2_user = create(:user, :level_two, document_number: 13579)
+    level_2_user = create(:user, :level_two, document_number: "12345678Z")
 
     visit management_document_verifications_path
-    fill_in 'document_verification_document_number', with: '13579'
+    fill_in 'document_verification_document_number', with: '12345678Z'
     click_button 'Check'
 
     expect(page).to_not have_content "This user account is already verified."
@@ -62,7 +62,7 @@ feature 'Users' do
     expect(level_2_user.reload.erase_reason).to eq "Deleted by manager: manager_user_#{Manager.last.user_id}"
 
     visit management_document_verifications_path
-    fill_in 'document_verification_document_number', with: '13579'
+    fill_in 'document_verification_document_number', with: '12345678Z'
     click_button 'Check'
 
     expect(page).to have_content "no user account associated to it"