diff --git a/lib/Makefile b/lib/Makefile
index c32c664..c347193 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -93,6 +93,7 @@
 obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o
 obj-$(CONFIG_CPU_NOTIFIER_ERROR_INJECT) += cpu-notifier-error-inject.o
 obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o
+obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o
 
 lib-$(CONFIG_GENERIC_BUG) += bug.o