1 files changed, 3 insertions, 2 deletions

diff --git a/AFBClient.cpp b/AFBClient.cpp
index 26efab6..9210eac 100644
--- a/AFBClient.cpp
+++ b/AFBClient.cpp
@@ -86,7 +86,7 @@ void onHangup(void *closure, afb_wsj1 *wsj1) {
     exit(0);
 }
 
-static struct afb_wsj1_itf itf = {
+constexpr static struct afb_wsj1_itf itf = {
     onHangup, onCall, onEvent,
 };
 
@@ -236,7 +236,8 @@ int AFBClient::Impl::init(int port, char const *token) {
     asprintf(&uribuf, "ws://localhost:%d/api?token=%s", port, token);
 
     /* connect the websocket wsj1 to the uri given by the first argument */
-    wsj1 = afb_ws_client_connect_wsj1(loop, uribuf, &itf, nullptr);
+    wsj1 = afb_ws_client_connect_wsj1(
+        loop, uribuf, const_cast<struct afb_wsj1_itf *>(&itf), nullptr);
     if (wsj1 == nullptr) {
         sd_event_unref(loop);
         fprintf(stderr, "Connection to %s failed: %m\n", uribuf);