diff --git a/app/Models/Contact.php b/app/Models/Contact.php
index 731900e35840..782a7e47424a 100644
--- a/app/Models/Contact.php
+++ b/app/Models/Contact.php
@@ -32,20 +32,6 @@ class Contact extends EntityModel
         return PERSON_CONTACT;
     }
 
-    /*
-    public function getLastLogin()
-    {
-        if ($this->last_login == '0000-00-00 00:00:00')
-        {
-            return '---';
-        }
-        else
-        {
-            return $this->last_login->format('m/d/y h:i a');
-        }
-    }
-    */
-
     public function getName()
     {
         return $this->getDisplayName();
diff --git a/resources/views/invoices/edit.blade.php b/resources/views/invoices/edit.blade.php
index d4e1ad2055fb..a2c90a1d9d81 100644
--- a/resources/views/invoices/edit.blade.php
+++ b/resources/views/invoices/edit.blade.php
@@ -77,7 +77,8 @@
 				<div style="display:none" class="form-group" data-bind="visible: contacts().length > 0 &amp;&amp; (contacts()[0].email() || contacts()[0].first_name()), foreach: contacts">
 					<div class="col-lg-8 col-lg-offset-4">
 						<label class="checkbox" data-bind="attr: {for: $index() + '_check'}" onclick="refreshPDF(true)">
-							<input type="checkbox" value="1" data-bind="checked: send_invoice, attr: {id: $index() + '_check'}">
+                            <input type="hidden" value="0" data-bind="attr: {name: 'client[contacts][' + $index() + '][send_invoice]'}">
+							<input type="checkbox" value="1" data-bind="checked: send_invoice, attr: {id: $index() + '_check', name: 'client[contacts][' + $index() + '][send_invoice]'}">
 							<span data-bind="html: email.display"></span> 
                         </label>
                         <span data-bind="html: $data.view_as_recipient"></span>&nbsp;&nbsp;
@@ -612,7 +613,7 @@
             for (var j=0; j<client.contacts.length; j++) {
                 var contact = client.contacts[j];
                 var contactName = getContactDisplayName(contact);
-                if (contact.is_primary) {
+                if (contact.is_primary === '1') {
                     contact.send_invoice = true;
                 }
                 if (clientName != contactName) {