diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/chart/time-series-chart-tooltip.models.ts b/ui-ngx/src/app/modules/home/components/widget/lib/chart/time-series-chart-tooltip.models.ts
index 61750ff75b..99fc0ffc69 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/chart/time-series-chart-tooltip.models.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/chart/time-series-chart-tooltip.models.ts
@@ -205,7 +205,7 @@ export class TimeSeriesChartTooltip {
       latestData = {} as FormattedData;
     }
     const value = formatFunction(item.param.value[1], latestData, units, decimals);
-    this.renderer.appendChild(valueElement, this.renderer.createText(value));
+    this.renderer.setProperty(valueElement, 'innerHTML', this.sanitizer.sanitize(SecurityContext.HTML, value));
     this.renderer.setStyle(valueElement, 'flex', '1');
     this.renderer.setStyle(valueElement, 'text-align', 'end');
     this.renderer.setStyle(valueElement, 'font-family', this.settings.tooltipValueFont.family);
diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/chart/time-series-chart-widget.component.html b/ui-ngx/src/app/modules/home/components/widget/lib/chart/time-series-chart-widget.component.html
index 6d145c24c7..5179d71c7e 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/chart/time-series-chart-widget.component.html
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/chart/time-series-chart-widget.component.html
@@ -74,20 +74,20 @@
             <th>
               <ng-container *ngTemplateOutlet="legendItem; context:{legendKey: legendKey, left: true}"></ng-container>
             </th>
-            <td *ngIf="legendConfig.showMin === true" class="tb-time-series-chart-legend-value" [style]="legendValueStyle">
-              {{ legendData.data[legendKey.dataIndex].min }}
+            <td *ngIf="legendConfig.showMin === true" class="tb-time-series-chart-legend-value" [style]="legendValueStyle"
+                [innerHTML]="legendData.data[legendKey.dataIndex].min | safe: 'html'">
             </td>
-            <td *ngIf="legendConfig.showMax === true" class="tb-time-series-chart-legend-value" [style]="legendValueStyle">
-              {{ legendData.data[legendKey.dataIndex].max }}
+            <td *ngIf="legendConfig.showMax === true" class="tb-time-series-chart-legend-value" [style]="legendValueStyle"
+                [innerHTML]="legendData.data[legendKey.dataIndex].max | safe: 'html'">
             </td>
-            <td *ngIf="legendConfig.showAvg === true" class="tb-time-series-chart-legend-value" [style]="legendValueStyle">
-              {{ legendData.data[legendKey.dataIndex].avg }}
+            <td *ngIf="legendConfig.showAvg === true" class="tb-time-series-chart-legend-value" [style]="legendValueStyle"
+                [innerHTML]="legendData.data[legendKey.dataIndex].avg | safe: 'html'">
             </td>
-            <td *ngIf="legendConfig.showTotal === true" class="tb-time-series-chart-legend-value" [style]="legendValueStyle">
-              {{ legendData.data[legendKey.dataIndex].total }}
+            <td *ngIf="legendConfig.showTotal === true" class="tb-time-series-chart-legend-value" [style]="legendValueStyle"
+                [innerHTML]="legendData.data[legendKey.dataIndex].total | safe: 'html'">
             </td>
-            <td *ngIf="legendConfig.showLatest === true" class="tb-time-series-chart-legend-value" [style]="legendValueStyle">
-              {{ legendData.data[legendKey.dataIndex].latest }}
+            <td *ngIf="legendConfig.showLatest === true" class="tb-time-series-chart-legend-value" [style]="legendValueStyle"
+                [innerHTML]="legendData.data[legendKey.dataIndex].latest | safe: 'html'">
             </td>
           </tr>
         </tbody>