diff --git a/config/Migrations/20250125_OldTupiCodeRename b/config/Migrations/20250125_OldTupiCodeRename
new file mode 100644
index 000000000..7143b9b7d
--- /dev/null
+++ b/config/Migrations/20250125_OldTupiCodeRename
@@ -0,0 +1,45 @@
+<?php
+
+use Cake\Core\Configure;
+use Migrations\AbstractMigration;
+
+class OldTupiCodeRename extends AbstractMigration
+{
+    private $langColumns = [
+        'contributions' => ['sentence_lang', 'translation_lang'],
+        'contributions_stats' => ['lang'],
+        'languages' => ['code'],
+        'audios' => = ['sentence_lang'],
+        'last_contributions' => ['sentence_lang', 'translation_lang'],
+        'reindex_flags' => ['lang'],
+        'sentence_comments' => ['lang'],
+        'sentences' => ['lang'],
+        'sentences_translations' => ['sentence_lang', 'translation_lang'],
+        'users_languages' => ['language_code'],
+        'vocabulary' => ['lang'],
+    ];
+
+    private $oldCode = 'tpw';
+    private $newCode = 'tpn';
+
+    private function updateCode($from, $to) {
+        foreach ($this->langColumns as $table => $columns) {
+            foreach ($columns as $column) {
+                $this->getQueryBuilder()
+                     ->update($table)
+                     ->set($column, $to)
+                     ->where([$column => $from])
+                     ->execute();
+            }
+        }
+       
+    }
+
+    public function up() {
+        $this->updateCode($this->oldCode, $this->newCode);
+    }
+
+    public function down() {
+        $this->updateCode($this->newCode, $this->oldCode);
+    }
+}
diff --git a/src/Lib/LanguagesLib.php b/src/Lib/LanguagesLib.php
index f4bd56d62..10ee38fbd 100644
--- a/src/Lib/LanguagesLib.php
+++ b/src/Lib/LanguagesLib.php
@@ -388,7 +388,7 @@ public static function languagesInTatoeba()
                 'pms' => __d('languages', 'Piedmontese'),
                 'avk' => __d('languages', 'Kotava'),
                 'mar' => __d('languages', 'Marathi'),
-                'tpw' => __d('languages', 'Old Tupi'),
+                'tpn' => __d('languages', 'Tupinambá'),
                 'tgk' => __d('languages', 'Tajik'),
                 'prg' => __d('languages', 'Old Prussian'),
                 'npi' => __d('languages', 'Nepali'),
diff --git a/webroot/img/flags/tpw.svg b/webroot/img/flags/tpn.svg
similarity index 100%
rename from webroot/img/flags/tpw.svg
rename to webroot/img/flags/tpn.svg