diff --git a/static/chart.mjs b/static/chart.mjs
index 743f780..a29c13b 100644
--- a/static/chart.mjs
+++ b/static/chart.mjs
@@ -60,7 +60,7 @@ class HistoryChart {
         let now = Date.now()
         if (!when) when=now
 
-        this.data.push([now, value])
+        this.data.push([when, value])
         this.data.sort()
 
         let earliest = now - this.duration
diff --git a/static/index.html b/static/index.html
index 1eca0d1..69e3d9b 100644
--- a/static/index.html
+++ b/static/index.html
@@ -95,8 +95,8 @@
 						<output id="note"></output>
 
 						<div id="charts">
-							<canvas class="chart" id="rxChart" data-color="teal"></canvas>
-							<canvas class="chart" id="txChart" data-color="maroon"></canvas>
+							<canvas class="chart" id="rxChart" data-color="orange"></canvas>
+							<canvas class="chart" id="txChart" data-color="teal"></canvas>
 							<canvas class="chart" id="ditChart" data-color="olive"></canvas>
 							<canvas class="chart" id="dahChart" data-color="purple"></canvas>
 						</div>
diff --git a/static/vail.mjs b/static/vail.mjs
index 7aadab7..25b52d0 100644
--- a/static/vail.mjs
+++ b/static/vail.mjs
@@ -146,7 +146,7 @@ class VailClient {
 		let chart = tx?this.txChart:this.rxChart
 		if (chart) {
 			chart.SetAt(1, when)
-			chart.SetAt(0, when)
+			chart.SetAt(0, when+duration)
 		}
 	}