diff --git a/lib/curl_setup.h b/lib/curl_setup.h
index bd68d79e00..5d03a46638 100644
--- a/lib/curl_setup.h
+++ b/lib/curl_setup.h
@@ -739,9 +739,9 @@
 #if defined(USE_WOLFSSL) && defined(USE_GNUTLS)
 /* Avoid defining unprefixed wolfSSL SHA macros colliding with nettle ones */
 #define NO_OLD_WC_NAMES
-/* Prevent wolfSSL headers including wolfssl/openssl/md4.h, to avoid its MD4_CTX
-   type clashing with the one defined via nettle/md4.h, and used in md4.c when
-   GnuTLS is enabled. */
+/* Prevent wolfSSL headers including wolfssl/openssl/md4.h, to avoid its
+   MD4_CTX type clashing with the one defined via nettle/md4.h, and used
+   in md4.c when GnuTLS is enabled. */
 #define NO_MD4
 #endif