diff --git a/src/pages/overall/overall-course/overall-course.ts b/src/pages/overall/overall-course/overall-course.ts
index e2f3142..132f83a 100644
--- a/src/pages/overall/overall-course/overall-course.ts
+++ b/src/pages/overall/overall-course/overall-course.ts
@@ -39,7 +39,7 @@ export default class OverallCourse extends Vue
             // Check success
             if (response.success)
             {
-                this.unreadAssignments = this.unreadAssignments.filter(a => a == assignment);
+                this.unreadAssignments = this.unreadAssignments.filter(a => a != assignment);
                 this.unread = this.unreadAssignments.length;
             }
             else