diff --git a/res/res_http_websocket.c b/res/res_http_websocket.c
index 0726950bb67b7e0cbcae84ac253bdf2560a188f8..f4c44c4e9082a7d573ac9f395a0ba11e4345435c 100644
--- a/res/res_http_websocket.c
+++ b/res/res_http_websocket.c
@@ -653,7 +653,7 @@ int ast_websocket_uri_cb(struct ast_tcptls_session_instance *ser, const struct a
 		return 0;
 	}
 
-	ast_verb(2, "WebSocket connection from '%s' for protocol '%s' accepted using version '%d'\n", ast_sockaddr_stringify(&ser->remote_address), protocol, version);
+	ast_verb(2, "WebSocket connection from '%s' for protocol '%s' accepted using version '%d'\n", ast_sockaddr_stringify(&ser->remote_address), protocol ? : "", version);
 
 	/* Populate the session with all the needed details */
 	session->f = ser->f;