diff --git a/monitor/main.c b/monitor/main.c
index e6a4070..0f5eb4a 100644
--- a/monitor/main.c
+++ b/monitor/main.c
@@ -81,6 +81,7 @@ static const struct option main_options[] = {
 	{ "tty-speed", required_argument, NULL, 'B' },
 	{ "vendor",    required_argument, NULL, 'V' },
 	{ "mgmt",      no_argument,       NULL, 'M' },
+	{ "no-time",   no_argument,       NULL, 'N' },
 	{ "time",      no_argument,       NULL, 't' },
 	{ "date",      no_argument,       NULL, 'T' },
 	{ "sco",       no_argument,       NULL, 'S' },
@@ -119,8 +120,9 @@ int main(int argc, char *argv[])
 		int opt;
 		struct sockaddr_un addr;
 
-		opt = getopt_long(argc, argv, "r:w:a:s:p:i:d:B:V:MtTSAE:PJ:R:vh",
-							main_options, NULL);
+		opt = getopt_long(argc, argv,
+					"r:w:a:s:p:i:d:B:V:MNtTSAE:PJ:R:vh",
+					main_options, NULL);
 		if (opt < 0)
 			break;
 
@@ -172,6 +174,9 @@ int main(int argc, char *argv[])
 		case 'M':
 			filter_mask |= PACKET_FILTER_SHOW_MGMT_SOCKET;
 			break;
+		case 'N':
+			filter_mask &= ~PACKET_FILTER_SHOW_TIME_OFFSET;
+			break;
 		case 't':
 			filter_mask &= ~PACKET_FILTER_SHOW_TIME_OFFSET;
 			filter_mask |= PACKET_FILTER_SHOW_TIME;