diff --git a/src/LineGraph.js b/src/LineGraph.js
index 8c71782..2ddb24c 100644
--- a/src/LineGraph.js
+++ b/src/LineGraph.js
@@ -63,7 +63,7 @@ const buildChartData = (data, casesType) => {
   return chartData;
 };
 
-function LineGraph({ casesType }) {
+function LineGraph({ casesType="cases" }) {
   const [data, setData] = useState({});
 
   useEffect(() => {