diff --git a/lib/Makefile b/lib/Makefile
index 2f59e0a..4df2d02 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -69,6 +69,7 @@
 obj-$(CONFIG_REED_SOLOMON) += reed_solomon/
 obj-$(CONFIG_LZO_COMPRESS) += lzo/
 obj-$(CONFIG_LZO_DECOMPRESS) += lzo/
+obj-$(CONFIG_XZ_DEC) += xz/
 obj-$(CONFIG_RAID6_PQ) += raid6/
 
 lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o