diff --git a/src/widgets/opnsense/component.jsx b/src/widgets/opnsense/component.jsx
index 1757d68f..d9e64929 100644
--- a/src/widgets/opnsense/component.jsx
+++ b/src/widgets/opnsense/component.jsx
@@ -20,7 +20,6 @@ export default function Component({ service }) {
   if (!activityData || !interfaceData) {
     return (
       <Container service={service}>
-        <Block label="opnsense.uptime" />
         <Block label="opnsense.cpu" />
         <Block label="opnsense.memory" />
         <Block label="opnsense.wanUpload" />
@@ -29,10 +28,9 @@ 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 uptimeInfos = activityData.headers[0].match(/.* up ([0-9+:]*) .*/);
-  const uptime = uptimeInfos[1];
+
+  const cpuidle = activityData.headers[2].substring(60,64);
+  const cpu = 100 - parseFloat(cpuidle);
   const memoryInfos = activityData.headers[3].split(" ");
   const totalMemory = parseFloat(memoryInfos[1]) + parseFloat(memoryInfos[3]) + parseFloat(memoryInfos[5]) + parseFloat(memoryInfos[7]) + parseFloat(memoryInfos[9])/1024 + parseFloat(memoryInfos[11]);
   const memory = ( 1 - parseFloat(memoryInfos[11]) / totalMemory) * 100;
@@ -42,7 +40,6 @@ 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.memory" value={t("common.percent", { value: memory })} />
       <Block label="opnsense.wanUpload" value={t("common.bytes", { value: wanUpload })} />
diff --git a/src/widgets/opnsense/widget.js b/src/widgets/opnsense/widget.js
index 56ad0733..a144ee4c 100644
--- a/src/widgets/opnsense/widget.js
+++ b/src/widgets/opnsense/widget.js
@@ -8,9 +8,15 @@ const widget = {
   mappings: {
     activity: {
       endpoint: "diagnostics/activity/getActivity",
+      validate: [
+        "headers"
+      ]
     },
     interface: {
       endpoint: "diagnostics/traffic/interface",
+      validate: [
+        "interfaces"
+      ]
     }
   },
 };