diff --git a/kernel/ksufs/5.10/Makefile b/kernel/ksufs/5.10/Makefile
index 9164c585..1128b175 100644
--- a/kernel/ksufs/5.10/Makefile
+++ b/kernel/ksufs/5.10/Makefile
@@ -3,7 +3,7 @@
 # Makefile for the overlay filesystem.
 #
 
-obj-$(CONFIG_OVERLAY_FS) += overlay.o
+obj-y += ksufs.o
 
-overlay-objs := super.o namei.o util.o inode.o file.o dir.o readdir.o \
+ksufs-objs := super.o namei.o util.o inode.o file.o dir.o readdir.o \
 		copy_up.o export.o
diff --git a/kernel/ksufs/README.md b/kernel/ksufs/README.md
index 793d2490..ea17c720 100644
--- a/kernel/ksufs/README.md
+++ b/kernel/ksufs/README.md
@@ -48,4 +48,13 @@ ksu_ovl_getattr:
 
 if (err)
 
-if (true)
\ No newline at end of file
+if (true)
+
+## Step5
+
+Makefile:
+
+obj-y += ksufs.o
+
+ksufs-objs := super.o namei.o util.o inode.o file.o dir.o readdir.o \
+		copy_up.o export.o
\ No newline at end of file