diff --git a/ddclient.in b/ddclient.in
index 29cb85f..747346a 100755
--- a/ddclient.in
+++ b/ddclient.in
@@ -6259,7 +6259,7 @@ sub nic_yandex_update {
         # Strip header
         $reply =~ s/^.*?\n\n//s;
         my $response = eval { decode_json($reply) };
-        if ($response->{success} eq 'error') {
+        if ($response->{success} ne 'ok') {
             failed("%s", $response->{error});
             next;
         }
@@ -6296,7 +6296,7 @@ sub nic_yandex_update {
         # Strip header
         $reply =~ s/^.*?\n\n//s;
         $response = eval { decode_json($reply) };
-        if ($response->{success} eq 'error') {
+        if ($response->{success} ne 'ok') {
             failed("%s", $response->{error});
             next;
         }