diff --git a/src/modules/uk.js b/src/modules/uk.js
index 4ef0fa9..93bd1c5 100644
--- a/src/modules/uk.js
+++ b/src/modules/uk.js
@@ -97,19 +97,20 @@
 	 */
 	$.formUtils.addValidator({
 		name: 'ukutr',
-		validatorFunction: function (val)
+		validatorFunction: function (utr)
 		{
-			var weights = [0, 6, 7, 8, 9, 10, 5, 4, 3, 2, 0],
+			var weights = [0, 6, 7, 8, 9, 10, 5, 4, 3, 2],
 				checkDigits = [2, 1, 9, 8, 7, 6, 5, 4, 3, 2, 1],
-				checkSum = 0,
-				utr = val + 'K';
+				checkSum = 0;
 
-			if( /\d{10}K/.test( utr ) ){
+			if (/\d{10}/.test(utr) && utr.length === 10)
+			{
 				for (var i = 0; i < 10; i++) {
 					checkSum += utr[ i ] * weights[ i ];
 				}
 
-				if( utr.charAt( 0 ) === checkDigits[ checkSum % 11 ]){
+				if (parseInt(utr.charAt(0)) === checkDigits[checkSum % 11])
+				{
 					return true;
 				}
 			}
diff --git a/test/qunit.html b/test/qunit.html
index 4221249..a8053a3 100644
--- a/test/qunit.html
+++ b/test/qunit.html
@@ -984,7 +984,32 @@
             });
         });
 
+        /*
+         * UK VALIDATION
+         */
+        test("UK UTR validation", function(){
+
+            clearForm();
 
+            var links = [
+                {val:'9300960004', isValid:true},
+                {val:'7795475945', isValid:true},
+                {val:'2010335150', isValid:true},
+                {val:'3317055678', isValid:true},
+                {val:'2444339765', isValid:true},
+                {val:'3867839121', isValid:true},
+                {val:'38678391210', isValid:false},
+                {val:'386783912', isValid:false},
+                {val:'1779560363', isValid:false},
+                {val:'8648200373', isValid:false},
+                {val:'9300648179', isValid:false}
+            ];
+
+            $.each(links, function(i, obj) {
+                runTest(obj, 'ukutr');
+            });
+
+        });
         // TODO: Write more tests...
 
     }