diff --git a/htdocs/core/modules/security/generate/modGeneratePassPerso.class.php b/htdocs/core/modules/security/generate/modGeneratePassPerso.class.php
index 6c858c43fa4..ed1413beb21 100644
--- a/htdocs/core/modules/security/generate/modGeneratePassPerso.class.php
+++ b/htdocs/core/modules/security/generate/modGeneratePassPerso.class.php
@@ -33,7 +33,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/modules/security/generate/modules_genpassw
 class modGeneratePassPerso extends ModeleGenPassword
 {
 	/**
-	 * @var int ID
+	 * @var string ID
 	 */
 	public $id;
 
@@ -42,7 +42,7 @@ class modGeneratePassPerso extends ModeleGenPassword
 	/**
 	 * Minimum length (text visible by end user)
 	 *
-	 * @var string
+	 * @var int
 	 */
 	public $length;
 
@@ -102,12 +102,12 @@ class modGeneratePassPerso extends ModeleGenPassword
 		$this->Ambi = array("1", "I", "l", "|", "O", "0");
 
 		$tabConf = explode(";", getDolGlobalString('USER_PASSWORD_PATTERN'));
-		$this->length2 = $tabConf[0];
+		$this->length2 = (int) $tabConf[0];
 		$this->NbMaj = $tabConf[1];
 		$this->NbNum = $tabConf[2];
 		$this->NbSpe = $tabConf[3];
 		$this->NbRepeat = $tabConf[4];
-		$this->WithoutAmbi = $tabConf[5];
+		$this->WithoutAmbi = (int) $tabConf[5];
 	}
 
 	/**