diff --git a/crypto/http/http_lib.c b/crypto/http/http_lib.c
index 4d470e0fea879..d753892300207 100644
--- a/crypto/http/http_lib.c
+++ b/crypto/http/http_lib.c
@@ -14,6 +14,7 @@
 #include <openssl/bio.h> /* for BIO_snprintf() */
 #include <openssl/err.h>
 #include "internal/cryptlib.h" /* for ossl_assert() */
+#include "internal/bio_addr.h" /* for NI_MAXHOST */
 #include "crypto/ctype.h" /* for ossl_isspace() */
 
 static void init_pstring(char **pstr)