diff --git a/assets/javascripts/discourse-assign/initializers/extend-for-assigns.js.es6 b/assets/javascripts/discourse-assign/initializers/extend-for-assigns.js.es6
index 005e068..4351966 100644
--- a/assets/javascripts/discourse-assign/initializers/extend-for-assigns.js.es6
+++ b/assets/javascripts/discourse-assign/initializers/extend-for-assigns.js.es6
@@ -506,6 +506,26 @@ function initialize(api) {
     },
   });
 
+  api.modifyClass("component:topic-notifications-button", {
+    pluginId: PLUGIN_ID,
+
+    @discourseComputed(
+      "topic",
+      "topic.details.{notification_level,notifications_reason_id}"
+    )
+    notificationReasonText(topic) {
+      if (
+        this.currentUser.never_auto_track_topics &&
+        topic.assigned_to_user &&
+        topic.assigned_to_user.username === this.currentUser.username
+      ) {
+        return I18n.t("notification_reason.user");
+      }
+
+      return this._super(...arguments);
+    },
+  });
+
   api.addPostSmallActionIcon("assigned", "user-plus");
   api.addPostSmallActionIcon("assigned_to_post", "user-plus");
   api.addPostSmallActionIcon("assigned_group", "group-plus");
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index bae1a43..543e07f 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -119,3 +119,5 @@ en:
               label: Assigned Topic ID
             in_working_hours:
               label: Users in working hours
+    notification_reason:
+      user: "You will see a count of new replies because this topic was assigned to you."
diff --git a/plugin.rb b/plugin.rb
index 1f74e03..7d5313a 100644
--- a/plugin.rb
+++ b/plugin.rb
@@ -133,6 +133,10 @@ after_initialize do
     @can_assign == :true
   end
 
+  add_to_serializer(:current_user, :never_auto_track_topics) do
+    user.user_option.auto_track_topics_after_msecs < 0
+  end
+
   add_to_class(:group, :can_show_assigned_tab?) do
     allowed_group_ids = SiteSetting.assign_allowed_on_groups.split("|")
 
diff --git a/test/javascripts/acceptance/never-track-assign-reason-test.js.es6 b/test/javascripts/acceptance/never-track-assign-reason-test.js.es6
new file mode 100644
index 0000000..c55326a
--- /dev/null
+++ b/test/javascripts/acceptance/never-track-assign-reason-test.js.es6
@@ -0,0 +1,70 @@
+import { test } from "qunit";
+import {
+  acceptance,
+  query,
+  updateCurrentUser,
+} from "discourse/tests/helpers/qunit-helpers";
+import { visit } from "@ember/test-helpers";
+import { cloneJSON } from "discourse-common/lib/object";
+import topicFixtures from "discourse/tests/fixtures/topic";
+
+acceptance(
+  "Discourse Assign | Never track topics assign reason",
+  function (needs) {
+    needs.user();
+    needs.settings({
+      assign_enabled: true,
+      assigns_user_url_path: "/",
+    });
+
+    needs.pretender((server, helper) => {
+      server.get("/t/44.json", () => {
+        let topic = cloneJSON(topicFixtures["/t/130.json"]);
+        topic.details.notifications_reason_id = 3;
+        return helper.response(topic);
+      });
+      server.get("/t/45.json", () => {
+        let topic = cloneJSON(topicFixtures["/t/28830/1.json"]);
+        topic["assigned_to_user"] = {
+          username: "eviltrout",
+          name: "Robin Ward",
+          avatar_template:
+            "/letter_avatar/eviltrout/{size}/3_f9720745f5ce6dfc2b5641fca999d934.png",
+        };
+        return helper.response(topic);
+      });
+      server.get("/t/46.json", () => {
+        let topic = cloneJSON(topicFixtures["/t/28830/1.json"]);
+        topic["assigned_to_group"] = {
+          id: 47,
+          name: "discourse",
+        };
+        return helper.response(topic);
+      });
+    });
+
+    test("Show default assign reason when user tracks topics", async (assert) => {
+      updateCurrentUser({ never_auto_track_topics: false });
+
+      await visit("/t/assignment-topic/44");
+
+      assert.strictEqual(
+        query(".topic-notifications-button .reason span.text").innerText,
+        "You will receive notifications because you are watching this topic."
+      );
+    });
+
+    test("Show user assign reason when user never tracks topics", async (assert) => {
+      updateCurrentUser({
+        never_auto_track_topics: true,
+      });
+
+      await visit("/t/assignment-topic/45");
+
+      assert.strictEqual(
+        query(".topic-notifications-button .reason span.text").innerText,
+        "You will see a count of new replies because this topic was assigned to you."
+      );
+    });
+  }
+);