diff --git a/htdocs/admin/security.php b/htdocs/admin/security.php
index f9772096b94f2..3eac851874f58 100644
--- a/htdocs/admin/security.php
+++ b/htdocs/admin/security.php
@@ -373,7 +373,7 @@
 	print '		}';
 	print '	}';
 
-	print '	$("#minlenght").change(function(){valuePatternChange();});';
+	print '	$("#minlength").change(function(){valuePatternChange();});';
 	print '	$("#NbMajMin").change(function(){valuePatternChange();});';
 	print '	$("#NbNumMin").change(function(){valuePatternChange();});';
 	print '	$("#NbSpeMin").change(function(){valuePatternChange();});';