clearing the externalRoute once it's used

js/start.js

@@ -100,8 +100,14 @@ app.pageNav = new PageNav({
 });
 $('#pageNavContainer').append(app.pageNav.render().el);
 
+let externalRoute = remote.getGlobal('externalRoute');
+
 app.router = new ObRouter();
 
+// Clear the external route flag as soon as it's used so it's not re-used
+// on app refreshes.
+app.router.on('route', () => (externalRoute = null));
+
 // create our status bar view
 app.statusBar = new StatusBar();
 $('#statusBar').html(app.statusBar.render().el);
@@ -520,8 +526,6 @@ function start() {
           // set the profile data for the feedback mechanism
           setFeedbackOptions();
 
-          const externalRoute = remote.getGlobal('externalRoute');
-
           if (externalRoute) {
             // handle opening the app from an an external ob link
             location.hash = `#${externalRoute}`;