diff --git a/composer.json b/composer.json
index 3b0de7f..0b8279a 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
   "name": "24unix/bindapi",
   "description": "manage Bind9 DNS server via REST API",
   "version": "1.0.9",
-  "build_number": "364",
+  "build_number": "365",
   "authors": [
     {
       "name": "Micha Espey",
diff --git a/src/Repository/SettingsRepository.php b/src/Repository/SettingsRepository.php
index 49afbda..795d2fa 100644
--- a/src/Repository/SettingsRepository.php
+++ b/src/Repository/SettingsRepository.php
@@ -40,13 +40,19 @@ readonly class SettingsRepository
 
     public function set(string $name, string $value): int
     {
-
-        $sql = "
-            INSERT INTO " . DatabaseConnection::TABLE_SETTINGS . " (name, value)
-            VALUES (:name, :value)
-            ON DUPLICATE KEY UPDATE
-                value = :value
+        $currentSetting = $this->findByName($name);
+        if ($currentSetting !== false) {
+                $sql = "
+                UPDATE " . DatabaseConnection::TABLE_SETTINGS . "
+                SET value = :value
+                WHERE name = :name
             ";
+            } else {
+                $sql = "
+                INSERT INTO " . DatabaseConnection::TABLE_SETTINGS . " (name, value)
+                VALUES (:name, :value)
+            ";
+            }
 
         try {
             $statement = $this->databaseConnection->getConnection()->prepare(query: $sql);