diff --git a/lib/Makefile b/lib/Makefile
index 7bd6fd4..f80b1a1 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -48,6 +48,7 @@
 obj-y += kstrtox.o
 obj-$(CONFIG_TEST_BPF) += test_bpf.o
 obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o
+obj-$(CONFIG_TEST_HASH) += test_hash.o
 obj-$(CONFIG_TEST_KASAN) += test_kasan.o
 obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
 obj-$(CONFIG_TEST_LKM) += test_module.o