diff --git a/lib/Makefile b/lib/Makefile
index 6f675c6..2d6106a 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -55,6 +55,7 @@
 obj-$(CONFIG_AUDIT_GENERIC) += audit.o
 
 obj-$(CONFIG_SWIOTLB) += swiotlb.o
+obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
 
 lib-$(CONFIG_GENERIC_BUG) += bug.o