diff --git a/src/core/ngx_inet.c b/src/core/ngx_inet.c
index c54db0e..7de5362 100644
--- a/src/core/ngx_inet.c
+++ b/src/core/ngx_inet.c
@@ -8,9 +8,6 @@
 #include <ngx_core.h>
 
 
-#if (NGX_HAVE_INET6)
-static size_t ngx_inet6_ntop(u_char *p, u_char *text, size_t len);
-#endif
 static ngx_int_t ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u);
 static ngx_int_t ngx_parse_inet_url(ngx_pool_t *pool, ngx_url_t *u);
 static ngx_int_t ngx_parse_inet6_url(ngx_pool_t *pool, ngx_url_t *u);
@@ -278,7 +275,7 @@
 
 #if (NGX_HAVE_INET6)
 
-static size_t
+size_t
 ngx_inet6_ntop(u_char *p, u_char *text, size_t len)
 {
     u_char      *dst;
diff --git a/src/core/ngx_inet.h b/src/core/ngx_inet.h
index f708c07..0b42abd 100644
--- a/src/core/ngx_inet.h
+++ b/src/core/ngx_inet.h
@@ -104,6 +104,7 @@
 in_addr_t ngx_inet_addr(u_char *text, size_t len);
 #if (NGX_HAVE_INET6)
 ngx_int_t ngx_inet6_addr(u_char *p, size_t len, u_char *addr);
+size_t ngx_inet6_ntop(u_char *p, u_char *text, size_t len);
 #endif
 size_t ngx_sock_ntop(struct sockaddr *sa, u_char *text, size_t len,
     ngx_uint_t port);