diff --git a/kike.c b/kike.c
index 68bcdcd..dfabc9c 100644
--- a/kike.c
+++ b/kike.c
@@ -2728,7 +2728,7 @@ irc_try_join (struct client *c, const char *channel_name, const char *key)
 	else if (channel_get_user (chan, c))
 		return;
 
-	bool invited_by_chanop = str_map_find (&c->invites, channel_name);
+	bool invited_by_chanop = !!str_map_find (&c->invites, channel_name);
 	if ((chan->modes & IRC_CHAN_MODE_INVITE_ONLY)
 	 && !client_in_mask_list (c, &chan->invite_list)
 	 && !invited_by_chanop)