--- chan_dahdi.c.158482	2008-12-24 20:33:48.000000000 +1300
+++ chan_dahdi.c	2008-12-30 21:30:30.000000000 +1300
@@ -8207,7 +8207,7 @@ static void *do_monitor(void *data)
 					ast_debug(1, "Monitor doohicky got event %s on channel %d\n", event2str(res), i->channel);
 					/* Don't hold iflock while handling init events */
 					ast_mutex_unlock(&iflock);
-					if (0 == i->mwisendactive || 0 != mwi_send_process_event(i, res)) {
+					if (0 == i->mwisendactive || 0 == mwi_send_process_event(i, res)) {
 						handle_init_event(i, res);
 					}
 					ast_mutex_lock(&iflock);