diff --git a/programs/x509/cert_req.c b/programs/x509/cert_req.c
index 6ae43a9..dcfd176 100644
--- a/programs/x509/cert_req.c
+++ b/programs/x509/cert_req.c
@@ -14,7 +14,8 @@
 #if !defined(MBEDTLS_X509_CSR_WRITE_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
     !defined(MBEDTLS_PK_PARSE_C) || !defined(MBEDTLS_MD_CAN_SHA256) || \
     !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
-    !defined(MBEDTLS_PEM_WRITE_C) || !defined(MBEDTLS_FS_IO)
+    !defined(MBEDTLS_PEM_WRITE_C) || !defined(MBEDTLS_FS_IO) || \
+    !defined(MBEDTLS_MD_C)
 int main(void)
 {
     mbedtls_printf("MBEDTLS_X509_CSR_WRITE_C and/or MBEDTLS_FS_IO and/or "