diff --git a/src/widgets/opnsense/component.jsx b/src/widgets/opnsense/component.jsx
index d9e64929..c17a389f 100644
--- a/src/widgets/opnsense/component.jsx
+++ b/src/widgets/opnsense/component.jsx
@@ -29,8 +29,8 @@ export default function Component({ service }) {
   }
 
 
-  const cpuidle = activityData.headers[2].substring(60,64);
-  const cpu = 100 - parseFloat(cpuidle);
+  const cpuIdle = activityData.headers[2].match(/ ([0-9.]+)% idle/)[1];
+  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;