diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 41a9d7c78b7..db227ae4cf6 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -1892,11 +1892,12 @@ function dol_trunc($string,$size=40,$trunc='right',$stringencoding='UTF-8',$nodo
 {
 	global $conf;
 
-	if (empty($stringencoding)) $stringencoding='UTF-8';
-
 	if ($size==0 || ! empty($conf->global->MAIN_DISABLE_TRUNC)) return $string;
+	
+	if (empty($stringencoding)) $stringencoding='UTF-8';
 	// reduce for small screen
-    if ($conf->dol_optimize_smallscreen==1 && $display==1) $size = round($size/3);
+	if ($conf->dol_optimize_smallscreen==1 && $display==1) $size = round($size/3);
+
 	// We go always here
 	if ($trunc == 'right')
 	{