diff --git a/lib/main.js b/lib/main.js
index f012a6ca..c3e21885 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -149,8 +149,8 @@ Lambda.prototype._params = function (program, buffer) {
 Lambda.prototype._eventSourceList = function (program) {
   if (!program.eventSourceFile) {
     return {
-      EventSourceMappings: [],
-      ScheduleEvents: []
+      EventSourceMappings: null,
+      ScheduleEvents: null
     };
   }
   const list = (function() {
@@ -523,6 +523,9 @@ Lambda.prototype._listEventSourceMappings = function (lambda, params, cb) {
 };
 
 Lambda.prototype._updateEventSources = function (lambda, functionName, existingEventSourceList, eventSourceList, cb) {
+  if (eventSourceList == null) {
+    return cb(null, []);
+  }
   var updateEventSourceList = [];
   // Checking new and update event sources
   for (var i in eventSourceList) {
@@ -600,6 +603,9 @@ Lambda.prototype._updateEventSources = function (lambda, functionName, existingE
 };
 
 Lambda.prototype._updateScheduleEvents = function (scheduleEvents, functionArn, scheduleList, cb) {
+  if (scheduleList == null) {
+    return cb(null, []);
+  }
   return async.series(scheduleList.map(function(schedule) {
     return function(_cb) {
       const params = Object.assign(schedule, { FunctionArn: functionArn });
diff --git a/test/main.js b/test/main.js
index ff9b2014..5b041a2f 100644
--- a/test/main.js
+++ b/test/main.js
@@ -588,7 +588,7 @@ describe('node-lambda', function () {
         program.eventSourceFile = '';
         assert.deepEqual(
           lambda._eventSourceList(program),
-          { EventSourceMappings: [], ScheduleEvents: [] }
+          { EventSourceMappings: null, ScheduleEvents: null }
         );
       });
 
@@ -683,6 +683,21 @@ describe('node-lambda', function () {
     });
   });
 
+  describe('_updateEventSources', function () {
+    it('program.eventSourceFile is empty value', function () {
+      program.eventSourceFile = '';
+      const eventSourceList = lambda._eventSourceList(program);
+      return new Promise(function (resolve) {
+        lambda._updateEventSources(lambda, '', [], eventSourceList.EventSourceMappings, function(err, results) {
+          resolve({ err: err, results: results });
+        });
+      }).then(function (actual) {
+        const expected = { err: null, results: [] };
+        assert.deepEqual(actual, expected);
+      });
+    });
+  });
+
   describe('_updateScheduleEvents', function () {
     const aws = require('aws-sdk-mock');
     const ScheduleEvents = require(path.join('..', 'lib', 'schedule_events'));
@@ -721,6 +736,19 @@ describe('node-lambda', function () {
       aws.restore('Lambda');
     });
 
+    it('program.eventSourceFile is empty value', function () {
+      program.eventSourceFile = '';
+      const eventSourceList = lambda._eventSourceList(program);
+      return new Promise(function (resolve) {
+        lambda._updateScheduleEvents(schedule, '', eventSourceList.ScheduleEvents, function(err, results) {
+          resolve({ err: err, results: results });
+        });
+      }).then(function (actual) {
+        const expected = { err: null, results: [] };
+        assert.deepEqual(actual, expected);
+      });
+    });
+
     it('simple test with mock', function () {
       program.eventSourceFile = 'event_sources.json';
       const eventSourceList = lambda._eventSourceList(program);