diff --git a/include/constant.php b/include/constant.php
index 15df1481c..2398211a6 100644
--- a/include/constant.php
+++ b/include/constant.php
@@ -352,7 +352,10 @@ define('EXC_DATA_SQL', 2001);
 define('EXC_BALANCE', 1501);
 define("UNPINDG", "");
 define("PINDG", "");
-
+define("ARROWLEFT","⇦");
+define("ARROWRIGHT","⇨");
+define("ARROWDOWN","⇩");
+define("ARROWUP","⇧");
 // Url of NOALYSS (http://...) 
 // 
 if (!defined("NOALYSS_URL")) {
diff --git a/include/template/fiche_def-print_available_attribut.php b/include/template/fiche_def-print_available_attribut.php
index 41e239358..cea8e1c96 100644
--- a/include/template/fiche_def-print_available_attribut.php
+++ b/include/template/fiche_def-print_available_attribut.php
@@ -30,7 +30,7 @@ $js_add = sprintf("categoryCardDefinition.add_attribut('%s')",$attribut_id);
 
                 ?>
 
-                <span class="icon" onclick="<?= $js_add ?>">&#x1F808;</span>
+                <span class="icon" onclick="<?= $js_add ?>"><?=ARROWLEFT?></span>
             </span>