diff --git a/lib/curl_ntlm_core.c b/lib/curl_ntlm_core.c
index 4a9433b293..11c33a49e2 100644
--- a/lib/curl_ntlm_core.c
+++ b/lib/curl_ntlm_core.c
@@ -84,7 +84,7 @@
 #    define DES_set_key_unchecked wolfSSL_DES_set_key_unchecked
 #    define DES_ecb_encrypt       wolfSSL_DES_ecb_encrypt
 #    define DESKEY(x)             ((WOLFSSL_DES_key_schedule *)(x))
-#    if defined(LIBWOLFSSL_VERSION_HEX) && LIBWOLFSSL_VERSION_HEX >= 0x05007006
+#    if LIBWOLFSSL_VERSION_HEX >= 0x05007006
 #      define DES_ENCRYPT WC_DES_ENCRYPT
 #      define DES_DECRYPT WC_DES_DECRYPT
 #    endif