diff --git a/src/pages/course/course-scatter/course-scatter.ts b/src/pages/course/course-scatter/course-scatter.ts
index 8417c07..1bc60cf 100644
--- a/src/pages/course/course-scatter/course-scatter.ts
+++ b/src/pages/course/course-scatter/course-scatter.ts
@@ -51,7 +51,7 @@ export default class CourseScatter extends Vue
             },
 
             // Data
-            series: map.forEach((assignments, type) =>
+            series: Array.from(map, ([type, assignments]) =>
             {
                 return {
                     type: 'scatter',