diff --git a/security.go b/security.go
index 32f0c90..7378333 100644
--- a/security.go
+++ b/security.go
@@ -23,7 +23,6 @@ import (
 	"runtime"
 	"sort"
 	"strings"
-	"syscall"
 	"time"
 
 	"go.mozilla.org/pkcs7"
@@ -489,7 +488,7 @@ func loadSystemRoots() (*x509.CertPool, error) {
 	// Use certutil to download all the root certs.
 	if needSync {
 		cmd := exec.Command("certutil", "-syncWithWU", dir)
-		cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow: true}
+		hideWindow(cmd)
 		out, err := cmd.Output()
 		if err != nil {
 			return roots, err