diff --git a/lib/pool.js b/lib/pool.js
index 552f8c9..92b9049 100644
--- a/lib/pool.js
+++ b/lib/pool.js
@@ -51,9 +51,19 @@ var pool = module.exports = function pool(options, authorizeFn){
             if (_this.stratumServer)
                 RequestDifficulty(function(){});
         }).on('newDifficulty', function(client, newDiff) {
-            // We request to set the newDiff @ the next difficulty retarget 
-            // (which should happen when a new job comes in - AKA BLOCK)
-            client.enqueueNextDifficulty(newDiff);
+
+
+            if (options.varDiff.mode === 'fast'){
+                client.sendDifficulty(newDiff);
+                var job = _this.jobManager.currentJob.getJobParams();
+                job[8] = false;
+                client.sendMiningJob(job);
+            }
+            else{
+                // We request to set the newDiff @ the next difficulty retarget
+                // (which should happen when a new job comes in - AKA BLOCK)
+                client.enqueueNextDifficulty(newDiff);
+            }
         });
         emitLog("system", "VarDiff enabled and setup");
     }