diff --git a/tutorial/nodejs/NodeServerPromise.js b/tutorial/nodejs/NodeServerPromise.js
index bff287b..ddd18f4 100644
--- a/tutorial/nodejs/NodeServerPromise.js
+++ b/tutorial/nodejs/NodeServerPromise.js
@@ -25,16 +25,16 @@
 var data = {};
 
 var server = thrift.createServer(Calculator, {
-  ping: function() {
+  ping: function () {
     console.log("ping()");
   },
 
-  add: function(n1, n2) {
+  add: function (n1, n2) {
     console.log("add(", n1, ",", n2, ")");
     return n1 + n2;
   },
 
-  calculate: function(logid, work) {
+  calculate: function (logid, work) {
     console.log("calculate(", logid, ",", work, ")");
 
     var val = 0;
@@ -48,33 +48,32 @@
       if (work.num2 === 0) {
         var x = new ttypes.InvalidOperation();
         x.whatOp = work.op;
-        x.why = 'Cannot divide by 0';
-		throw x;
+        x.why = "Cannot divide by 0";
+        throw x;
       }
       val = work.num1 / work.num2;
     } else {
       var x = new ttypes.InvalidOperation();
       x.whatOp = work.op;
-      x.why = 'Invalid operation';
+      x.why = "Invalid operation";
       throw x;
     }
 
     var entry = new SharedStruct();
     entry.key = logid;
-    entry.value = ""+val;
+    entry.value = "" + val;
     data[logid] = entry;
     return val;
   },
 
-  getStruct: function(key) {
+  getStruct: function (key) {
     console.log("getStruct(", key, ")");
     return data[key];
   },
 
-  zip: function() {
+  zip: function () {
     console.log("zip()");
-  }
-
+  },
 });
 
 server.listen(9090);