diff --git a/lib/algoProperties.js b/lib/algoProperties.js
index 6148359..af2ac0c 100644
--- a/lib/algoProperties.js
+++ b/lib/algoProperties.js
@@ -103,6 +103,14 @@ var algos = module.exports = global.algos = {
             }
         }
     },
+    groestl: {
+        multiplier: Math.pow(2, 8),
+        hash: function(){
+            return function(){
+                return multiHashing.groestl.apply(this, arguments);
+            }
+        }
+    },
     fugue: {
         multiplier: Math.pow(2, 8),
         hash: function(){
diff --git a/lib/jobManager.js b/lib/jobManager.js
index 344a918..c687467 100644
--- a/lib/jobManager.js
+++ b/lib/jobManager.js
@@ -74,6 +74,7 @@ var JobManager = module.exports = function JobManager(options){
             case 'blake':
             case 'skein':
             case 'fugue':
+            case 'groestl':
                 if (options.coin.normalHashing === true)
                     return util.sha256d;
                 else
@@ -83,27 +84,24 @@ var JobManager = module.exports = function JobManager(options){
         }
     })();
 
-    var blockHasher = (function(){
-        switch(options.coin.algorithm){
-            case 'x11':
-            case 'quark':
-            case 'keccak':
-            case 'skein':
-            case 'fugue':
-            case 'blake':
-                return function(){
-                    return util.reverseBuffer(hashDigest.apply(this, arguments));
-                };
+
+    var blockHasher = (function () {
+        switch (options.coin.algorithm) {
             case 'scrypt':
                 if (options.coin.reward === 'POS') {
-                    return function () {
+                    return function (d) {
                         return util.reverseBuffer(hashDigest.apply(this, arguments));
                     };
                 }
-            default:
-                return function(d){
+            case 'scrypt-jane':
+            case 'scrypt-n':
+                return function (d) {
                     return util.reverseBuffer(util.sha256d(d));
                 };
+            default:
+                return function () {
+                    return util.reverseBuffer(hashDigest.apply(this, arguments));
+                };
         }
     })();