diff --git a/openrouter/src/settings/dns/servers.cpp b/openrouter/src/settings/dns/servers.cpp
index 23600ac..05a017a 100644
--- a/openrouter/src/settings/dns/servers.cpp
+++ b/openrouter/src/settings/dns/servers.cpp
@@ -63,7 +63,7 @@ namespace settings {
             nlohmann::json servers = json_body["servers"];
             for (const nlohmann::json_abi_v3_11_3::json &server : servers) {
                 std::string srv = server;
-                if (server.empty()) {
+                if (server == "") {
                     continue;
                 }
                 dnsserversfile << "nameserver " << srv << "\n";
diff --git a/openrouter/src/web/index.html b/openrouter/src/web/index.html
index 727a7a6..eee33a0 100644
--- a/openrouter/src/web/index.html
+++ b/openrouter/src/web/index.html
@@ -225,7 +225,7 @@
     <!-- add DNS server form -->
     <div class="form" id="adddnsserverform">
         <div class="formbody adddnsserverformbody">
-            <h1 class="formheader" id="adddnsserverform">Add DNS server</h1>
+            <h1 class="formheader" id="adddnsserverformheader">Add DNS server</h1>
             <div class="forminputbody adddnsserverform">
                 <label for="adddnsserverinput" class="forminputlabel">Server IP</label>
                 <input required type="text" class="forminput" id="adddnsserverinput">