diff --git a/include/oauth2/apache.h b/include/oauth2/apache.h
index 1850871..a9bf3c5 100644
--- a/include/oauth2/apache.h
+++ b/include/oauth2/apache.h
@@ -184,6 +184,20 @@ int oauth2_apache_post_config(apr_pool_t *pool, apr_pool_t *p1, apr_pool_t *p2,
 		return func(srv_cfg->log, member, v1, v2, v3);                 \
 	}
 
+#define OAUTH2_APACHE_CMD_ARGSV4(module, type, primitive, func, member)        \
+	static const char *apache_##module##_set_##primitive(                  \
+	    cmd_parms *cmd, void *m, int argc, char *const argv[])             \
+	{                                                                      \
+		oauth2_apache_cfg_srv_t *srv_cfg = ap_get_module_config(       \
+		    cmd->server->module_config, &module##_module);             \
+		type *cfg = (type *)m;                                         \
+		(void)cfg;                                                     \
+		return func(srv_cfg->log, member, argc > 0 ? argv[0] : NULL,   \
+			    argc > 1 ? argv[1] : NULL,                         \
+			    argc > 2 ? argv[2] : NULL,                         \
+			    argc > 3 ? argv[3] : NULL);                        \
+	}
+
 #define OAUTH2_APACHE_CMD_ARGS(module, nargs, cmd, member, desc)               \
 	AP_INIT_TAKE##nargs(cmd, apache_##module##_set_##member, NULL,         \
 			    RSRC_CONF | ACCESS_CONF | OR_AUTHCFG, desc)
diff --git a/include/oauth2/nginx.h b/include/oauth2/nginx.h
index bd115f7..be53062 100644
--- a/include/oauth2/nginx.h
+++ b/include/oauth2/nginx.h
@@ -113,6 +113,31 @@
 	oauth2_mem_free(v1);                                                   \
 	OAUTH2_NGINX_CFG_FUNC_END(cf, rv)
 
+#define OAUTH2_NGINX_CFG_FUNC_ARGS4(module, type, primitive, func, member)     \
+	OAUTH2_NGINX_CFG_FUNC_START(module, type, primitive)                   \
+	char *v1 = cf->args->nelts > 1                                         \
+		       ? oauth2_strndup((const char *)value[1].data,           \
+					(size_t)value[1].len)                  \
+		       : NULL;                                                 \
+	char *v2 = cf->args->nelts > 2                                         \
+		       ? oauth2_strndup((const char *)value[2].data,           \
+					(size_t)value[2].len)                  \
+		       : NULL;                                                 \
+	char *v3 = cf->args->nelts > 3                                         \
+		       ? oauth2_strndup((const char *)value[3].data,           \
+					(size_t)value[3].len)                  \
+		       : NULL;                                                 \
+	char *v4 = cf->args->nelts > 4                                         \
+		       ? oauth2_strndup((const char *)value[3].data,           \
+					(size_t)value[4].len)                  \
+		       : NULL;                                                 \
+	rv = func(cfg->log, member, v1, v2, v3, v4);                           \
+	oauth2_mem_free(v4);                                                   \
+	oauth2_mem_free(v3);                                                   \
+	oauth2_mem_free(v2);                                                   \
+	oauth2_mem_free(v1);                                                   \
+	OAUTH2_NGINX_CFG_FUNC_END(cf, rv)
+
 // commands
 
 // clang-format off
diff --git a/src/server/nginx.c b/src/server/nginx.c
index bc7feb0..93f8bc5 100644
--- a/src/server/nginx.c
+++ b/src/server/nginx.c
@@ -110,10 +110,12 @@ static void _oauth2_nginx_port_copy(oauth2_nginx_request_context_t *ctx)
 		sin6 =
 		    (struct sockaddr_in6 *)ctx->r->connection->local_sockaddr;
 		port = ntohs(sin6->sin6_port);
+		break;
 #endif
 #if (NGX_HAVE_UNIX_DOMAIN)
 	case AF_UNIX:
 		port = 0;
+		break;
 #endif
 	default: /* AF_INET */
 		sin = (struct sockaddr_in *)ctx->r->connection->local_sockaddr;