diff --git a/sdk_lib/enter_chroot.sh b/sdk_lib/enter_chroot.sh
index b344ee7bd5..2f4b0f2886 100755
--- a/sdk_lib/enter_chroot.sh
+++ b/sdk_lib/enter_chroot.sh
@@ -218,7 +218,7 @@ setup_env() {
 
     # Make sure the new root directory itself is a mount point. Tools like
     # unshare assume that things like `mount --make-rprivate /` work.
-    setup_mount "${MOUNTED_PATH}" "--bind" /
+    setup_mount "${MOUNTED_PATH}" "--rbind" /
 
     setup_mount none "-t proc" /proc
     setup_mount none "-t sysfs" /sys