diff --git a/src/shared_mount.rs b/src/shared_mount.rs
index 93c7d3b..0e4516d 100644
--- a/src/shared_mount.rs
+++ b/src/shared_mount.rs
@@ -186,9 +186,7 @@ impl DetachedMount {
     where
         P: AsRef<Path>,
     {
-        unshare(UnshareFlags::NEWNS)
-            .context("could not create new mount namespace")?;
-
+        private_mount_namespace()?;
         self.mount(target)
     }
 }