diff --git a/www/manager6/Parser.js b/www/manager6/Parser.js
index 7aea5c73..958deae5 100644
--- a/www/manager6/Parser.js
+++ b/www/manager6/Parser.js
@@ -562,12 +562,13 @@ Ext.define('PVE.Parser', { statics: {
     },
 
     parseTfaType: function(value) {
+	/*jslint confusion: true*/
 	var match;
 	if (!value || !value.length) {
 	    return undefined;
 	} else if (value === 'x!oath') {
 	    return 'totp';
-	} else if (match = value.match(/^x!(.+)$/)) {
+	} else if (!!(match = value.match(/^x!(.+)$/))) {
 	    return match[1];
 	} else {
 	    return 1;