diff --git a/src/components/entity/ha-chart-base.html b/src/components/entity/ha-chart-base.html
index fbab75218a..223908d080 100644
--- a/src/components/entity/ha-chart-base.html
+++ b/src/components/entity/ha-chart-base.html
@@ -161,6 +161,10 @@
       };
     }
 
+    static get observers() {
+      return ['onPropsChange(data)'];
+    }
+
     connectedCallback() {
       super.connectedCallback();
       this._isAttached = true;