diff --git a/config.xml b/config.xml
index 5ac58d7..bc031fb 100644
--- a/config.xml
+++ b/config.xml
@@ -11,6 +11,7 @@
     <plugin name="cordova-plugin-whitelist" spec="1" />
     <access origin="*" />
     <allow-navigation href="https://*.netsyms.com/*" />
+    <allow-navigation href="app://localhost/*" />
     <allow-navigation href="https://apis.netsyms.net/*" />
     <allow-navigation href="https://maps.netsyms.net/*" />
     <allow-intent href="http://*/*" />