diff --git a/cpu/cpu_darwin_cgo.go b/cpu/cpu_darwin_cgo.go
index 6b813d78..180e0afa 100644
--- a/cpu/cpu_darwin_cgo.go
+++ b/cpu/cpu_darwin_cgo.go
@@ -57,7 +57,7 @@ func perCPUTimes() ([]TimesStat, error) {
 	// copy the cpuload array to a []byte buffer
 	// where we can binary.Read the data
 	size := int(ncpu) * binary.Size(cpu_ticks)
-	buf := C.GoBytes(unsafe.Pointer(cpuload), C.int(size))
+	buf := (*[1 << 30]byte)(unsafe.Pointer(cpuload))[:size:size]
 
 	bbuf := bytes.NewBuffer(buf)