diff --git a/lib/Makefile b/lib/Makefile
index 8ba745f..6aa48ca 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -65,7 +65,7 @@
 obj-$(CONFIG_HASH) += hash-checksum.o
 obj-$(CONFIG_SHA1) += sha1.o
 obj-$(CONFIG_SHA256) += sha256.o
-obj-$(CONFIG_SHA512_ALGO) += sha512.o
+obj-$(CONFIG_SHA512) += sha512.o
 obj-$(CONFIG_CRYPT_PW) += crypt/
 
 obj-$(CONFIG_$(SPL_)ZLIB) += zlib/