diff --git a/app/models/email_er_file.rb b/app/models/email_er_file.rb
index 079d9e7..d13585c 100644
--- a/app/models/email_er_file.rb
+++ b/app/models/email_er_file.rb
@@ -15,8 +15,10 @@ class EmailErFile
   private
 
   def file_size
-    if file.file.size > 10.megabytes
-      errors.add( :file,  I18n.t("er_email.email_file_limit"))
+    if !file.blank?
+      if file.file.size > 10.megabytes
+        errors.add( :file,  I18n.t("er_email.email_file_limit"))
+      end
     end
   end
 
diff --git a/app/views/admin/er_emails/_form.html.erb b/app/views/admin/er_emails/_form.html.erb
index e973fef..4085e58 100644
--- a/app/views/admin/er_emails/_form.html.erb
+++ b/app/views/admin/er_emails/_form.html.erb
@@ -92,6 +92,8 @@
       <label class="control-label muted"><%= t(:file_) %></label>
       <div class="controls">
 
+          <%= t("er_email.email_file_limit") %>
+
         <!-- Exist -->
         <% if @email_er && !@email_er.email_er_files.blank? %>
           <div class="exist">