diff --git a/utils/btrfs-progs/Makefile b/utils/btrfs-progs/Makefile
index 167c51c85..3ad77c981 100644
--- a/utils/btrfs-progs/Makefile
+++ b/utils/btrfs-progs/Makefile
@@ -79,8 +79,8 @@ define Package/btrfs-progs/install
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/btrfs.box $(1)/usr/bin/btrfs
 	$(foreach prog,$(boxprogs),$(LN) btrfs $(1)/usr/bin/$(prog);)
 	$(foreach prog,$(progs),$(INSTALL_BIN) $(PKG_BUILD_DIR)/$(prog) $(1)/usr/bin/;)
-	$(INSTALL_DIR) $(1)/etc/init.d
-	$(INSTALL_BIN) ./files/btrfs-scan.init $(1)/etc/init.d/btrfs-scan
+	$(INSTALL_DIR) $(1)/lib/preinit
+	$(INSTALL_BIN) ./files/btrfs-scan.init $(1)/lib/preinit/85_btrfs_scan
 endef
 
 $(eval $(call BuildPackage,btrfs-progs))
diff --git a/utils/btrfs-progs/files/btrfs-scan.init b/utils/btrfs-progs/files/btrfs-scan.init
index 762e0b840..608d3d6c5 100644
--- a/utils/btrfs-progs/files/btrfs-scan.init
+++ b/utils/btrfs-progs/files/btrfs-scan.init
@@ -1,9 +1,7 @@
-#!/bin/sh /etc/rc.common
-# Copyright (C) 2014 OpenWrt.org
+#!/bin/sh
 
-START=19
-
-start() {
-	grep -q btrfs /proc/filesystems && /usr/bin/btrfs device scan
+preinit_btrfs_scan() {
+	grep -vq btrfs /proc/filesystems || btrfs device scan
 }
 
+boot_hook_add preinit_main preinit_btrfs_scan