diff --git a/app/assets/javascripts/discourse/routes/user-index.js.es6 b/app/assets/javascripts/discourse/routes/user-index.js.es6
index 1a9cc9101c8..24a536237e2 100644
--- a/app/assets/javascripts/discourse/routes/user-index.js.es6
+++ b/app/assets/javascripts/discourse/routes/user-index.js.es6
@@ -1,7 +1,14 @@
 export default Discourse.Route.extend({
 
   beforeModel: function() {
-    this.transitionTo('userActivity');
+    // HACK: Something with the way the user card intercepts clicks seems to break how the
+    // transition into a user's activity works. This makes the back button work on mobile
+    // where there is no user card as well as desktop where there is.
+    if (Discourse.Mobile.mobileView) {
+      this.replaceWith('userActivity');
+    } else {
+      this.transitionTo('userActivity');
+    }
   }
 
 });
diff --git a/app/assets/javascripts/discourse/templates/mobile/discovery/topics.hbs b/app/assets/javascripts/discourse/templates/mobile/discovery/topics.hbs
index 4267c64e5e9..82f0e59d791 100644
--- a/app/assets/javascripts/discourse/templates/mobile/discovery/topics.hbs
+++ b/app/assets/javascripts/discourse/templates/mobile/discovery/topics.hbs
@@ -16,13 +16,13 @@
     {{topic-list
         showPosters=true
         currentUser=currentUser
-        hideCategory=hideCategory
-        topics=topics}}
+        hideCategory=model.hideCategory
+        topics=model.topics}}
   {{/if}}
 </div>
 
 <footer class='topic-list-bottom'>
-  {{conditional-loading-spinner condition=loadingMore}}
+  {{conditional-loading-spinner condition=model.loadingMore}}
   {{#if allLoaded}}
     {{#if showDismissRead}}
       <button title="{{i18n 'topics.bulk.dismiss_topics_tooltip'}}" id='dismiss-topics' class='btn dismiss-read' {{action "dismissRead" "topics"}}>{{i18n 'topics.bulk.dismiss_topics'}}</button>