diff --git a/lib/validators/email_validator.rb b/lib/validators/email_validator.rb
index 0b612ab56..6f3e8872e 100644
--- a/lib/validators/email_validator.rb
+++ b/lib/validators/email_validator.rb
@@ -10,7 +10,7 @@ class EmailValidator < ActiveModel::EachValidator
         record.errors.add(attribute, I18n.t(:'user.email.not_allowed'))
       end
     end
-    if record.errors[attribute].blank? and ScreenedEmail.should_block?(value)
+    if record.errors[attribute].blank? && value && ScreenedEmail.should_block?(value)
       record.errors.add(attribute, I18n.t(:'user.email.blocked'))
     end
   end
@@ -25,4 +25,4 @@ class EmailValidator < ActiveModel::EachValidator
     /^[a-zA-Z0-9!#\$%&'*+\/=?\^_`{|}~\-]+(?:\.[a-zA-Z0-9!#\$%&'\*+\/=?\^_`{|}~\-]+)*@(?:[a-zA-Z0-9](?:[a-zA-Z0-9\-]*[a-zA-Z0-9])?\.)+[a-zA-Z0-9](?:[a-zA-Z0-9\-]*[a-zA-Z0-9])?$/
   end
 
-end
\ No newline at end of file
+end