diff --git a/common/app/routes/Profile/components/HeatMap.jsx b/common/app/routes/Profile/components/HeatMap.jsx
index 5991afadae..4629748b08 100644
--- a/common/app/routes/Profile/components/HeatMap.jsx
+++ b/common/app/routes/Profile/components/HeatMap.jsx
@@ -57,7 +57,11 @@ class HeatMap extends Component {
     const rectSelector = '#cal-heatmap > svg > svg.graph-legend > g > rect.r';
     const calLegendTitles = ['0 items', '1 item', '2 items', '3 or more items'];
     const firstTS = Object.keys(calendar)[0];
-    let start = new Date(firstTS * 1000);
+    const sevenMonths = 1000 * 60 * 60 * 24 * 210;
+    // start should not be earlier than 7 months before now:
+    let start = (firstTS * 1000 + sevenMonths < Date.now())
+      ? new Date(Date.now() - sevenMonths)
+      : new Date(firstTS * 1000);
     const monthsSinceFirstActive = differenceInCalendarMonths(
       today,
       start