diff --git a/src/pages/overall/overall.ts b/src/pages/overall/overall.ts
index 7ce40a5..da761ef 100644
--- a/src/pages/overall/overall.ts
+++ b/src/pages/overall/overall.ts
@@ -114,7 +114,7 @@ export default class Overall extends Vue
     /**
      * Return a list of courses that are graphed
      */
-    get filterCourse(): Course[]
+    private filterCourses(): Course[]
     {
         // Define result
         let result: Course[] = [];