diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index 6b6980cdd9..ac802d88ab 100755
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -6155,7 +6155,7 @@ static int zap_show_channel(int fd, int argc, char **argv)
 				ast_cli(fd, "Actual Confinfo: Num/%d, Mode/0x%04x\n", ci.confno, ci.confmode);
 			}
 #ifdef ZT_GETCONFMUTE
-			if (ioctl(tmp->subs[SUB_REAL].zfd, ZT_GETCONF, &x)) {
+			if (ioctl(tmp->subs[SUB_REAL].zfd, ZT_GETCONFMUTE, &x)) {
 				ast_log(LOG_WARNING, "Failed to get confmute info on channel %d\n", tmp->channel);
 			} else {
 				ast_cli(fd, "Actual Confmute: %s\n", x ? "Yes" : "No");