diff --git a/src/etc/inc/xmlrpc/legacy.inc b/src/etc/inc/xmlrpc/legacy.inc
index bab616d01..4da647fc4 100644
--- a/src/etc/inc/xmlrpc/legacy.inc
+++ b/src/etc/inc/xmlrpc/legacy.inc
@@ -169,8 +169,8 @@ function restore_config_section_xmlrpc($new_config)
     $oldvips = array();
     if (isset($new_config['virtualip']['vip']) && isset($config['virtualip']['vip'])) {
         foreach ($config['virtualip']['vip'] as $vipindex => $vip) {
-            if ($vip['mode'] == "carp") {
-                // rc.filter_synchronize only sends carp vips, keep the rest like it was
+            if (vip_is_eligible_for_sync($vip)) {
+                // rc.filter_synchronize only sends CARP VIPs and IP Aliases with a VHID. Keep the rest like it was.
                 $oldvips["{$vip['interface']}_vip{$vip['vhid']}"] = $vip ;
             } else {
                 $vipbackup[] = $vip;
@@ -200,7 +200,7 @@ function restore_config_section_xmlrpc($new_config)
         $anyproxyarp = false;
         if (isset($config['virtualip']['vip'])) {
           foreach ($config['virtualip']['vip'] as $vip) {
-              if ($vip['mode'] == "carp" && isset($oldvips["{$vip['interface']}_vip{$vip['vhid']}"])) {
+              if (vip_is_eligible_for_sync($vip) && isset($oldvips["{$vip['interface']}_vip{$vip['vhid']}"])) {
                   $is_changed = false;
                   foreach (array('password', 'advskew', 'subnet', 'subnet_bits', 'advbase') as $chk_key) {
                       if ($oldvips["{$vip['interface']}_vip{$vip['vhid']}"][$chk_key] != $vip[$chk_key]) {
@@ -254,3 +254,9 @@ function restore_config_section_xmlrpc($new_config)
 
     return true;
 }
+
+function vip_is_eligible_for_sync(array $vip)
+{
+    return $vip['mode'] === 'carp' ||
+        ($vip['mode'] === 'ipalias' && isset($vip['vhid']) && $vip['vhid'] > 0);
+}
\ No newline at end of file