diff --git a/app/models/poll.rb b/app/models/poll.rb
index 4c2fcecb8..72901d9d4 100644
--- a/app/models/poll.rb
+++ b/app/models/poll.rb
@@ -43,7 +43,7 @@ class Poll < ActiveRecord::Base
 
   def date_range
     unless starts_at.present? && ends_at.present? && starts_at <= ends_at
-      errors.add(:starts_at, I18n.t('activerecord.errors.invalid_date_range'))
+      errors.add(:starts_at, I18n.t('errors.messages.invalid_date_range'))
     end
   end
 
diff --git a/config/locales/activerecord.en.yml b/config/locales/activerecord.en.yml
index 11e8442e2..b0f06f7df 100644
--- a/config/locales/activerecord.en.yml
+++ b/config/locales/activerecord.en.yml
@@ -82,7 +82,6 @@ en:
         description: "Description"
         external_url: "Link to additional documentation"
     errors:
-      invalid_date_range: "Invalid date range"
       models:
         user:
           attributes:
diff --git a/config/locales/activerecord.es.yml b/config/locales/activerecord.es.yml
index 8b3407d53..2349e9272 100644
--- a/config/locales/activerecord.es.yml
+++ b/config/locales/activerecord.es.yml
@@ -82,7 +82,6 @@ es:
         description: "Descripción"
         external_url: "Enlace a documentación adicional"
     errors:
-      invalid_date_range: "El rango de fechas no es válido"
       models:
         user:
           attributes:
diff --git a/config/locales/en.yml b/config/locales/en.yml
index f90dac037..4f632166f 100755
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -139,6 +139,7 @@ en:
   errors:
     messages:
       user_not_found: User not found
+      invalid_date_range: "Invalid date range"
   form:
     accept_terms: I agree to the %{policy} and the %{conditions}
     accept_terms_title: I agree to the Privacy Policy and the Terms and conditions of use
diff --git a/config/locales/es.yml b/config/locales/es.yml
index fa90809ff..8440d2390 100755
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -139,6 +139,7 @@ es:
   errors:
     messages:
       user_not_found: No se encontró el usuario
+      invalid_date_range: "El rango de fechas no es válido"
   form:
     accept_terms: Acepto la %{policy} y las %{conditions}
     accept_terms_title: Acepto la Política de privacidad y las Condiciones de uso