diff --git a/htdocs/core/modules/security/generate/modGeneratePassPerso.class.php b/htdocs/core/modules/security/generate/modGeneratePassPerso.class.php
index bccb1353087..3229aa1a616 100644
--- a/htdocs/core/modules/security/generate/modGeneratePassPerso.class.php
+++ b/htdocs/core/modules/security/generate/modGeneratePassPerso.class.php
@@ -206,7 +206,7 @@ class modGeneratePassPerso extends ModeleGenPassword
 	}
 
 	/**
-	 *  consecutive iterations of the same character
+	 *  Consecutive iterations of the same character
 	 *
 	 *  @param		string	$password	Password to check
 	 *  @return     int					0 if KO, >0 if OK
@@ -214,8 +214,12 @@ class modGeneratePassPerso extends ModeleGenPassword
     public function consecutiveInterationSameCharacter($password)
     {
 		$last = "";
+
+		if (empty($this->NbRepeat)) return 1;
+
 		$count = 0;
 		$char = str_split($password);
+
 		foreach($char as $c) {
 			if($c != $last) {
 				$last = $c;