diff --git a/packages/sysutils/busybox-initramfs/scripts/init b/packages/sysutils/busybox-initramfs/scripts/init
index 3d31325b3d..f385e1ce1d 100755
--- a/packages/sysutils/busybox-initramfs/scripts/init
+++ b/packages/sysutils/busybox-initramfs/scripts/init
@@ -143,7 +143,7 @@ NFS_OVERLAY="192.168.1.1:/var/lib/overlay"
 
       retry_nr=$(( ${retry_nr} + 1 ))
 
-      [ ! -e /sysroot/sbin/init ] && /bin/sleep 1
+      [ ! -e /sysroot/sbin/init ] && /bin/busybox usleep 1000000
 
       [ ${retry_nr} -gt 0 ]
     done