diff --git a/charts.html b/charts.html
index e506399..a6f9f12 100644
--- a/charts.html
+++ b/charts.html
@@ -117,15 +117,9 @@
         setInterval(async () => {
             const newDatum = await fetch("data/1");
             const snapshot = (await newDatum.json()).snapshots[0];
-            chart.data.datasets.forEach(ds => {
-                if (ds.id === "humidity") {
-                    ds.data.push({x: snapshot.time, y: snapshot.humidity});
-                } else if (ds.id === "temp") {
-                    ds.data.push({x: snapshot.time, y: snapshot.temp});
-                } else if (ds.id === "co2") {
-                    ds.data.push({x: snapshot.time, y: snapshot.co2});
-                }
-            })
+            chart.data.datasets[0].data.push({x: snapshot.time, y: snapshot.humidity});
+            chart.data.datasets[1].data.push({x: snapshot.time, y: snapshot.temp});
+            chart.data.datasets[2].data.push({x: snapshot.time, y: snapshot.co2});
         }, 10 * 1000);
     }