diff --git a/package/uclibc/uClibc-ng.config b/package/uclibc/uClibc-ng.config
index c17603db24..66de5a92a9 100644
--- a/package/uclibc/uClibc-ng.config
+++ b/package/uclibc/uClibc-ng.config
@@ -16,6 +16,8 @@ UCLIBC_HAS_PROGRAM_INVOCATION_NAME=y
 UCLIBC_HAS_GETPT=y
 UCLIBC_HAS_LIBUTIL=y
 UCLIBC_HAS_OBSOLETE_BSD_SIGNAL=y
+UCLIBC_HAS_SHA256_CRYPT_IMPL=y
+UCLIBC_HAS_SHA512_CRYPT_IMPL=y
 UCLIBC_USE_NETLINK=y
 UCLIBC_SUPPORT_AI_ADDRCONFIG=y
 UCLIBC_HAS_RESOLVER_SUPPORT=y