diff --git a/lib/main.js b/lib/main.js
index b239aed..a9ca790 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -950,7 +950,7 @@ they may not work as expected in the Lambda environment.
   }
 
   _isFunctionDoesNotExist (err) {
-    return err.code === 'ResourceNotFoundException' &&
+    return err.name === 'ResourceNotFoundException' &&
       !!err.message.match(/^Function not found:/)
   }
 
diff --git a/test/main.js b/test/main.js
index 8fcb2cc..b5aa2db 100644
--- a/test/main.js
+++ b/test/main.js
@@ -219,7 +219,7 @@ describe('lib/main', function () {
   describe('_isFunctionDoesNotExist', () => {
     it('=== true', () => {
       const err = {
-        code: 'ResourceNotFoundException',
+        name: 'ResourceNotFoundException',
         message: 'Function not found: arn:aws:lambda:XXX'
       }
       assert.isTrue(lambda._isFunctionDoesNotExist(err))
@@ -227,7 +227,7 @@ describe('lib/main', function () {
 
     it('=== false', () => {
       const err = {
-        code: 'MissingRequiredParameter',
+        name: 'MissingRequiredParameter',
         message: 'Missing required key \'FunctionName\' in params'
       }
       assert.isFalse(lambda._isFunctionDoesNotExist(err))