diff --git a/omvs_main.c b/omvs_main.c
index 1720ca9..fb99397 100644
--- a/omvs_main.c
+++ b/omvs_main.c
@@ -409,7 +409,7 @@ int main(int argc, char *argv[]) {
   OMVSScanner omvs_scanner;
 
   if (_omvs_init_net_devs_info() != 0) {
-    ret = -5;
+    ret = -1;
     goto finish_return2;
   }
 
@@ -426,7 +426,7 @@ int main(int argc, char *argv[]) {
   if (!g_option_context_parse(context, &argc, &argv, &error)) {
     g_print("option parsing failed: %s\n", error->message);
     g_error_free(error);
-    ret = -1;
+    ret = -2;
     goto finish_return;
   }
 
@@ -469,7 +469,7 @@ int main(int argc, char *argv[]) {
     if (!g_inet_address_get_is_multicast(addr)) {
       g_print("%s is not multicast ip address\n", argv[i]);
       g_object_unref(mask);
-      ret = -4;
+      ret = -5;
       goto finish_return;
     }
     len = g_inet_address_mask_get_length(mask);