diff --git a/plugins/sentinel/dashboard.html b/plugins/sentinel/dashboard.html
index e0eacae..a8d43ff 100644
--- a/plugins/sentinel/dashboard.html
+++ b/plugins/sentinel/dashboard.html
@@ -206,11 +206,13 @@
             if (typeof MiniChart !== 'undefined') {
               var mcBody = card.querySelector('.metrics-body');
               if (mcBody) {
-                _chartInstances[id] = [
-                  new MiniChart(mcBody.querySelector('.chart-cpu'), '#7aa2f7'),
-                  new MiniChart(mcBody.querySelector('.chart-mem'), '#9ece6a'),
-                  new MiniChart(mcBody.querySelector('.chart-net'), '#e0af68'),
-                ];
+                try {
+                  _chartInstances[id] = [
+                    new MiniChart(mcBody.querySelector('.chart-cpu'), '#7aa2f7'),
+                    new MiniChart(mcBody.querySelector('.chart-mem'), '#9ece6a'),
+                    new MiniChart(mcBody.querySelector('.chart-net'), '#e0af68'),
+                  ];
+                } catch(e) { /* MiniChart init failed, continue without charts */ }
               }
             }
           } else {