diff --git a/app/models/create_enterprise.rb b/app/models/create_enterprise.rb
index 345eb31..b78bbd5 100644
--- a/app/models/create_enterprise.rb
+++ b/app/models/create_enterprise.rb
@@ -153,7 +153,7 @@ class CreateEnterprise < Task
     msg << (_("Acronym: %s") % self.acronym) << "\n"
     msg << (_("Address: %s") % self.address) << "\n"
     msg << (_("Legal form: %s") % self.legal_form) << "\n"
-    msg << (_("Foundation Year: %d") % self.foundation_year) << "\n" unless self.foundation_year.empty?
+    msg << (_("Foundation Year: %d") % self.foundation_year) << "\n" unless self.foundation_year.blank?
     msg << (_("Economic activity: %s") % self.economic_activity) << "\n"
 
     msg << _("Information about enterprise's management:\n") << self.management_information.to_s << "\n"
--
libgit2 0.21.2