diff --git a/lib/Makefile b/lib/Makefile
index fea8f90..7ab486b 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -55,6 +55,8 @@
 
 obj-$(CONFIG_SWIOTLB) += swiotlb.o
 
+lib-$(CONFIG_GENERIC_BUG) += bug.o
+
 hostprogs-y	:= gen_crc32table
 clean-files	:= crc32table.h