diff --git a/res/res_http_websocket.exports.in b/res/res_http_websocket.exports.in
index ceb804011c602efd08c67d48ba814ebcf4e686f0..c5d8e39369fc183c9720538d66f75c78abd1c267 100644
--- a/res/res_http_websocket.exports.in
+++ b/res/res_http_websocket.exports.in
@@ -12,6 +12,7 @@
 		LINKER_SYMBOL_PREFIXast_websocket_fd;
 		LINKER_SYMBOL_PREFIXast_websocket_remote_address;
 		LINKER_SYMBOL_PREFIXast_websocket_is_secure;
+		LINKER_SYMBOL_PREFIXast_websocket_set_nonblock;
 	local:
 		*;
 };