diff --git a/app/components/download-graph.js b/app/components/download-graph.js
index 0c8822f0819..99f83364fbc 100644
--- a/app/components/download-graph.js
+++ b/app/components/download-graph.js
@@ -84,7 +84,10 @@ export default class DownloadGraph extends Component {
     }
 
     downloads.forEach(d => {
-      let version_num = d.version.num;
+      let version = d.version;
+      if (!version) return;
+
+      let version_num = version.num;
 
       versions.add(version_num);