diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 2568eb5f8b769..acf959b9a19fa 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -4825,8 +4825,8 @@ function dol_trunc($string, $size = 40, $trunc = 'right', $stringencoding = 'UTF
 	} elseif ($trunc == 'middle') {
 		$newstring = dol_textishtml($string) ? dol_string_nohtmltag($string, 1) : $string;
 		if (dol_strlen($newstring, $stringencoding) > 2 && dol_strlen($newstring, $stringencoding) > ($size + 1)) {
-			$size1 = round($size / 2);
-			$size2 = round($size / 2);
+			$size1 = (int) round($size / 2);
+			$size2 = (int) round($size / 2);
 			return dol_substr($newstring, 0, $size1, $stringencoding).'…'.dol_substr($newstring, dol_strlen($newstring, $stringencoding) - $size2, $size2, $stringencoding);
 		} else {
 			return $string;
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index a04c5ab4ba9ee..502b0961488bc 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -71,7 +71,7 @@ parameters:
 		- '# SMTPs::(getFrom|getErrorsTo|getReplyTo)\(\) expects bool, string given.#'
 		- '# getLocalTaxesFromRate expects int\|string#'
 		- '#::(options)\(\) expects int\|string#'
-		- '# (print_barre_liste|dol_substr) expects int\|null#'
+		- '# print_barre_liste expects int\|null#'
 		- '#(?:colorAdjustBrightness|imap_(?:(?:fetch)?body|fetchstructure)) expects int, string#'
 		- '#(sendTicketMessageByEmail|addItemsFact|update_price|recur|addDepreciationLine|addline|generate|update|getSelectConditionsPaiements|select_state|listBoxes|literalBarcodeType)\(\) expects int, string#'
 		- '#on array{url: mixed} in empty\(\) does not exist.#'