diff --git a/lib/efi_selftest/Makefile b/lib/efi_selftest/Makefile
index 487cb4c..3ad96e1 100644
--- a/lib/efi_selftest/Makefile
+++ b/lib/efi_selftest/Makefile
@@ -47,6 +47,7 @@
 
 obj-$(CONFIG_CPU_V7) += efi_selftest_unaligned.o
 obj-$(CONFIG_EFI_LOADER_HII) += efi_selftest_hii.o
+obj-$(CONFIG_EFI_RNG_PROTOCOL) += efi_selftest_rng.o
 obj-$(CONFIG_EFI_GET_TIME) += efi_selftest_rtc.o
 
 ifeq ($(CONFIG_GENERATE_ACPI_TABLE),)