diff --git a/framework/core/js/forum/src/components/IndexPage.js b/framework/core/js/forum/src/components/IndexPage.js
index 5f9eeef2e..baddf654d 100644
--- a/framework/core/js/forum/src/components/IndexPage.js
+++ b/framework/core/js/forum/src/components/IndexPage.js
@@ -35,12 +35,25 @@ export default class IndexPage extends Component {
       app.cache.discussionList = null;
     }
 
-    if (!app.cache.discussionList) {
-      app.cache.discussionList = new DiscussionList({
-        params: this.params()
+    const params = this.params();
+
+    if (app.cache.discussionList) {
+      // Compare the requested parameters (sort, search query) to the ones that
+      // are currently present in the cached discussion list. If they differ, we
+      // will clear the cache and set up a new discussion list component with
+      // the new parameters.
+      Object.keys(params).some(key => {
+        if (app.cache.discussionList.props.params[key] !== params[key]) {
+          app.cache.discussionList = null;
+          return true;
+        }
       });
     }
 
+    if (!app.cache.discussionList) {
+      app.cache.discussionList = new DiscussionList({params});
+    }
+
     app.history.push('index');
     app.current = this;
     app.drawer.hide();