diff --git a/plugins/sentinel/dashboard.html b/plugins/sentinel/dashboard.html
index 8e29d4a..cc51c70 100644
--- a/plugins/sentinel/dashboard.html
+++ b/plugins/sentinel/dashboard.html
@@ -273,7 +273,7 @@
             try {
               _chartInstances[id] = { cpu: null, mem: null, net: null };
               if (typeof MiniChart !== 'undefined') {
-                var _hires = function(mc){ var fn=mc.resize||mc.applyResize; if(!fn)return; var orig=fn.bind(mc); var wrap=function(){ orig(); mc.canvas.width*=4; mc.ctx.scale(4,1); mc.draw(); }; if(mc.resize)mc.resize=wrap; else mc.applyResize=wrap; wrap(); };
+                var _hires = function(mc){ var fn=mc.resize||mc.applyResize; if(!fn)return; var origR=fn.bind(mc); var origD=mc.draw.bind(mc); mc.draw=function(){ origR(); mc.ctx.save(); mc.ctx.scale(4,1); origD(); mc.ctx.restore(); }; mc.draw(); };
                 _chartInstances[id].cpu = new MiniChart(id+'-cpu', '#7aa2f7'); _hires(_chartInstances[id].cpu);
                 _chartInstances[id].mem = new MiniChart(id+'-mem', '#9ece6a'); _hires(_chartInstances[id].mem);
               }
@@ -281,8 +281,9 @@
                 _chartInstances[id].net = new DualLineChart(id+'-net', '#bb9af7', '#c0a8f0');
                 (function(dlc){
                   var orig = dlc.applyResize.bind(dlc);
-                  dlc.applyResize = function(){ orig(); dlc.canvas.width *= 4; dlc.ctx.scale(4,1); dlc.draw(); };
-                  dlc.applyResize();
+                  var origD2=dlc.draw.bind(dlc);
+                  dlc.draw = function(){ orig(); dlc.ctx.save(); dlc.ctx.scale(4,1); origD2(); dlc.ctx.restore(); };
+                  dlc.draw();
                 })(_chartInstances[id].net);
               }
             } catch(e) {}