diff --git a/src/widgets/opnsense/component.jsx b/src/widgets/opnsense/component.jsx
index 1757d68f..ebac928a 100644
--- a/src/widgets/opnsense/component.jsx
+++ b/src/widgets/opnsense/component.jsx
@@ -29,8 +29,10 @@ export default function Component({ service }) {
     );
   }
 
-  const cpuInfos = activityData.headers[2].split(" ");
-  const cpu = parseFloat(cpuInfos[2]) + parseFloat(cpuInfos[5]) + parseFloat(cpuInfos[8]) + parseFloat(cpuInfos[11]);
+  const cpuidle = activityData.headers[2].substring(60,64);
+
+  const cpu = 100 - parseFloat(cpuidle);
+
   const uptimeInfos = activityData.headers[0].match(/.* up ([0-9+:]*) .*/);
   const uptime = uptimeInfos[1];
   const memoryInfos = activityData.headers[3].split(" ");
@@ -43,7 +45,7 @@ export default function Component({ service }) {
   return (
     <Container service={service}>
       <Block label="opnsense.uptime" value={ uptime } />
-      <Block label="opnsense.cpu" value={t("common.percent", { value: cpu.toFixed(2) })}  />
+      <Block label="opnsense.cpu" value={t("common.percent", { value: cpu.toFixed(4) })}  />
       <Block label="opnsense.memory" value={t("common.percent", { value: memory })} />
       <Block label="opnsense.wanUpload" value={t("common.bytes", { value: wanUpload })} />
       <Block label="opnsense.wanDownload" value={t("common.bytes", { value: wanDownload })} />