diff --git a/mounter/mount.go b/mounter/mount.go
index 455598f..b326df6 100644
--- a/mounter/mount.go
+++ b/mounter/mount.go
@@ -45,7 +45,7 @@ func ResolveRootDir(dir string) (string, error) {
 
 func (m *Mounter) MountSysProc() error {
 	// mount -t proc proc {{rootDir}}/proc
-	if err := osutil.MountIfNotMounted("/proc", fp.Join(m.rootDir, "/proc"), "proc", ""); err != nil {
+	if err := mount.Mount("proc", fp.Join(m.rootDir, "/proc"), "proc", "remount"); err != nil {
 		return errors.Errorf("Failed to mount /proc: %s", err)
 	}
 	// mount --rbind /sys {{rootDir}}/sys