diff --git a/src/pages/overall/overall-line/overall-line.ts b/src/pages/overall/overall-line/overall-line.ts
index 55c1436..26fd352 100644
--- a/src/pages/overall/overall-line/overall-line.ts
+++ b/src/pages/overall/overall-line/overall-line.ts
@@ -30,7 +30,7 @@ export default class OverallLine extends Vue
         [
             {
                 startValue: Math.max(moment().subtract(30, 'days').toDate().getTime(),
-                    Constants.TERMS[Navigation.instance.getSelectedGradingPeriod()].getTime())
+                    CourseUtils.getTermBeginDate().getTime())
             },
             {
                 type: 'inside'