diff --git a/omvs_main.c b/omvs_main.c
index a4ccb69..a58d818 100644
--- a/omvs_main.c
+++ b/omvs_main.c
@@ -15,7 +15,7 @@ static gchar *_omvs_outdir = "omvs_out";
 static gint _omvs_jobs = 1;
 static gint _omvs_sleep = 1000;
 static gint _omvs_timeout = 10000;
-static gboolean _omvs_verbose;
+static gboolean _omvs_quiet;
 
 static gchar **_omvs_net_dev_names;
 static gchar **_omvs_net_dev_descs;
@@ -35,8 +35,8 @@ static GOptionEntry _omvs_entries[] =
     "Sleep time(milliseconds) between scans", "ms" },
   { "timeout", 't', 0, G_OPTION_ARG_INT, &_omvs_timeout,
     "Timeout time(milliseconds) in each scan", "ms" },
-  { "verbose", 'v', 0, G_OPTION_ARG_NONE, &_omvs_verbose,
-    "Be verbose", NULL },
+  { "quiet", 'q', 0, G_OPTION_ARG_NONE, &_omvs_quiet,
+    "Print no log except for errors", NULL },
   { NULL }
 };
 
@@ -207,7 +207,7 @@ static gpointer _omvs_start_scan_job(gpointer data) {
     addr_str =
       g_strdup_printf("%d.%d.%d.%d", addr[0], addr[1], addr[2], addr[3]);
 
-    if (_omvs_verbose) {
+    if (!_omvs_quiet) {
       g_print("[%p] start scanning %s\n", (void *)g_thread_self(), addr_str);
     }
     group_address = g_inet_address_new_from_string(addr_str);
@@ -294,7 +294,7 @@ static gpointer _omvs_start_scan_job(gpointer data) {
         uri = g_strdup_printf("udp://%s:%d", addr_str, udp_port);
         filename =
           g_strdup_printf("%s/%s-%d.png", _omvs_outdir, addr_str, udp_port);
-        if (_omvs_verbose) {
+        if (!_omvs_quiet) {
           g_print("[%p] trying to save %s to %s\n", (void *)g_thread_self(),
             uri, filename);
         }
@@ -341,7 +341,7 @@ static gpointer _omvs_start_scan_job(gpointer data) {
     }
     g_free(o_ipaddr->gsts);
 
-    if (_omvs_verbose) {
+    if (!_omvs_quiet) {
       g_print("[%p] finish scanning %s\n", (void *)g_thread_self(), addr_str);
     }
     if (!g_socket_leave_multicast_group(socket, group_address, FALSE,