diff --git a/crypto/Makefile b/crypto/Makefile
index 38e64231dcd347d843c0fbb39e392acb74f2f1f8..bfa94fad315b5c8e5428ad4b44e1a1c4f8eb30eb 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -92,6 +92,7 @@ obj-$(CONFIG_CRYPTO_842) += 842.o
 obj-$(CONFIG_CRYPTO_RNG2) += rng.o
 obj-$(CONFIG_CRYPTO_RNG2) += krng.o
 obj-$(CONFIG_CRYPTO_ANSI_CPRNG) += ansi_cprng.o
+obj-$(CONFIG_CRYTPO_DRBG) += drbg.o
 obj-$(CONFIG_CRYPTO_TEST) += tcrypt.o
 obj-$(CONFIG_CRYPTO_GHASH) += ghash-generic.o
 obj-$(CONFIG_CRYPTO_USER_API) += af_alg.o