diff --git a/lib/cpu.js b/lib/cpu.js
index 118caf7..a7942d8 100644
--- a/lib/cpu.js
+++ b/lib/cpu.js
@@ -1001,10 +1001,14 @@ function getCpuCurrentSpeedSync() {
     for (let i in cpus) {
       speeds.push(cpus[i].speed > 100 ? (cpus[i].speed + 1) / 1000 : cpus[i].speed / 10);
     }
-  } else {
-    speedStrings = execSync('cat /proc/cpuinfo | grep "cpu MHz" | cut -d " " -f 3', util.execOptsLinux).toString().split('\n');
-    for (let i in speedStrings) {
-      speeds.push(parseInt(speedStrings, 10));
+  } else if (_linux) {
+    try {
+      speedStrings = execSync('cat /proc/cpuinfo | grep "cpu MHz" | cut -d " " -f 3', util.execOptsLinux).toString().split('\n');
+      for (let i in speedStrings) {
+        speeds.push(parseInt(speedStrings, 10));
+      }
+    } catch {
+      util.noop();
     }
   }