diff --git a/dockercoins/webui/files/index.html b/dockercoins/webui/files/index.html
index 1d81178f..39bd17b8 100644
--- a/dockercoins/webui/files/index.html
+++ b/dockercoins/webui/files/index.html
@@ -33,6 +33,9 @@ function refresh () {
             data.now -= 1;
             series.unshift(data);
         }
+        while (series.length > 250) {
+            series.shift();
+        }
         while (points.length > 0) {
             points.pop();
         }