diff --git a/plugins/sentinel/dashboard.html b/plugins/sentinel/dashboard.html
index b86cbc6..32637a6 100644
--- a/plugins/sentinel/dashboard.html
+++ b/plugins/sentinel/dashboard.html
@@ -259,6 +259,7 @@
               if (charts.mem) charts.mem.update(memVal);
               if (charts.net) {
                 charts.net.update(net.rx_bytes_sec||0, net.tx_bytes_sec||0);
+                charts.net.maxVal = Math.max(charts.net.maxVal, 102400);
               }
             } catch(e) {}
           }