diff --git a/composer.json b/composer.json
index e3156e7..4855452 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,7 @@
 {
     "require": {
         "envms/fluentpdo": "^1.1",
-        "pear/console_table": "^1.3"
+        "pear/console_table": "^1.3",
+        "brenard/php-unidecode": "dev-master"
     }
 }
diff --git a/composer.lock b/composer.lock
index 4890fd6..581c9d3 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,37 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "d36f1a4ac9401421d8e903d01224c8f5",
+    "content-hash": "d1f16b984c121a9716a4827bce42ea09",
     "packages": [
+        {
+            "name": "brenard/php-unidecode",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://gitlab.easter-eggs.com/brenard/php-unidecode.git",
+                "reference": "55f352a0ca3bf6057aa11f44804406ed38f19157"
+            },
+            "default-branch": true,
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "Unidecode/Unidecode.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "GPL-2.0+"
+            ],
+            "authors": [
+                {
+                    "name": "Benjamin Renard",
+                    "homepage": "https://gitlab.easter-eggs.com/brenard"
+                }
+            ],
+            "description": "Transliterate Unicode text into plain 7-bit ASCII.",
+            "homepage": "https://gitlab.easter-eggs.com/brenard/php-unidecode",
+            "time": "2021-07-27T10:40:43+00:00"
+        },
         {
             "name": "envms/fluentpdo",
             "version": "v1.1.3",
@@ -111,9 +140,12 @@
     "packages-dev": [],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {
+        "brenard/php-unidecode": 20
+    },
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.0.0"
 }
diff --git a/includes/cli.php b/includes/cli.php
index 5ea3877..729b948 100644
--- a/includes/cli.php
+++ b/includes/cli.php
@@ -4,12 +4,12 @@ $cli_commands=array();
 function add_cli_command($command, $handler, $short_desc, $usage_args=false, $long_desc=false, $override=false) {
 	global $cli_commands;
 	if (array_key_exists($command, $cli_commands) && !$override) {
-		logging('ERROR', "The CLI command '$command' already exists.");
+		logging('ERROR', sprintf(_("The CLI command '%s' already exists.", $command)));
 		return False;
 	}
 
 	if (!is_callable($handler)) {
-		logging('ERROR', "The CLI command '$command' handler is not callable !");
+		logging('ERROR', sprintf(_("The CLI command '%s' handler is not callable !"), $command));
 		return False;
 	}
 
diff --git a/includes/db.php b/includes/db.php
index dea0c39..1bbc7eb 100644
--- a/includes/db.php
+++ b/includes/db.php
@@ -1,5 +1,7 @@
 <?php
 
+use Unidecode\Unidecode;
+
 try {
   $pdo = new PDO($db_dsn, $db_user, $db_pwd, $db_options);
   $pdo -> setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
@@ -235,7 +237,7 @@ function search_items($params) {
         // Text pattern
         foreach (array('name', 'description') as $field) {
           if ($is_pgsql) {
-            $word = without_accents($word);
+            $word = Unidecode::unidecode($word);
             $patterns_word["unaccent($field) ILIKE ?"] = "%$word%";
           }
           else
diff --git a/includes/functions.php b/includes/functions.php
index dc2b26e..d4e5a06 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -245,28 +245,6 @@ function check_is_empty($val) {
 	}
 }
 
-/**
- * Supprime les accents d'une chaine
- *
- * @param[in] $string La chaine originale
- *
- * @retval string La chaine sans les accents
- */
-function withoutAccents($string){
-  $replaceAccent = Array(
-    "à" => "a", "á" => "a", "â" => "a", "ã" => "a", "ä" => "a", "ç" => "c",
-    "è" => "e", "é" => "e", "ê" => "e", "ë" => "e", "ì" => "i", "í" => "i",
-    "î" => "i", "ï" => "i", "ñ" => "n", "ò" => "o", "ó" => "o", "ô" => "o",
-    "õ" => "o", "ö" => "o", "ù" => "u", "ú" => "u", "û" => "u", "ü" => "u",
-    "ý" => "y", "ÿ" => "y", "À" => "A", "Á" => "A", "Â" => "A", "Ã" => "A",
-    "Ä" => "A", "Ç" => "C", "È" => "E", "É" => "E", "Ê" => "E", "Ë" => "E",
-    "Ì" => "I", "Í" => "I", "Î" => "I", "Ï" => "I", "Ñ" => "N", "Ò" => "O",
-    "Ó" => "O", "Ô" => "O", "Õ" => "O", "Ö" => "O", "Ù" => "U", "Ú" => "U",
-    "Û" => "U", "Ü" => "U", "Ý" => "Y"
-  );
-  return strtr($string, $replaceAccent);
-}
-
 /*
  * Generic file/directory helpers
  */