diff --git a/src/additional/creditcardtypes.js b/src/additional/creditcardtypes.js
index 2a61e6a7a..6b9285be7 100644
--- a/src/additional/creditcardtypes.js
+++ b/src/additional/creditcardtypes.js
@@ -38,7 +38,7 @@ $.validator.addMethod( "creditcardtypes", function( value, element, param ) {
 	if ( param.all ) {
 		validTypes = 0x0001 | 0x0002 | 0x0004 | 0x0008 | 0x0010 | 0x0020 | 0x0040 | 0x0080;
 	}
-	if ( validTypes & 0x0001 && /^(5[12345])/.test( value ) ) { // Mastercard
+	if ( validTypes & 0x0001 && ( /^(5[12345])/.test( value ) || /^(2[234567])/.test( value ) ) ) { // Mastercard
 		return value.length === 16;
 	}
 	if ( validTypes & 0x0002 && /^(4)/.test( value ) ) { // Visa
diff --git a/test/methods.js b/test/methods.js
index 173a2281d..3c3784bbc 100644
--- a/test/methods.js
+++ b/test/methods.js
@@ -1203,6 +1203,7 @@ QUnit.test( "creditcardtypes, all", function( assert ) {
 	} );
 
 	testCardTypeByNumber( assert, "4111-1111-1111-1111", "VISA", true );
+	testCardTypeByNumber( assert, "2211-1111-1111-1114", "MasterCard", true );
 	testCardTypeByNumber( assert, "5111-1111-1111-1118", "MasterCard", true );
 	testCardTypeByNumber( assert, "6111-1111-1111-1116", "Discover", true );
 	testCardTypeByNumber( assert, "3400-0000-0000-009", "AMEX", true );
@@ -1243,6 +1244,7 @@ QUnit.test( "creditcardtypes, mastercard", function( assert ) {
 		}
 	} );
 
+	testCardTypeByNumber( assert, "2211-1111-1111-1114", "MasterCard", true );
 	testCardTypeByNumber( assert, "5111-1111-1111-1118", "MasterCard", true );
 	testCardTypeByNumber( assert, "6111-1111-1111-1116", "Discover", false );
 	testCardTypeByNumber( assert, "3400-0000-0000-009", "AMEX", false );