diff --git a/lib/plugins/aws/invokeLocal/index.js b/lib/plugins/aws/invokeLocal/index.js
index 7cff69b9502..42d5e8ab6e4 100644
--- a/lib/plugins/aws/invokeLocal/index.js
+++ b/lib/plugins/aws/invokeLocal/index.js
@@ -53,7 +53,7 @@ class AwsInvokeLocal {
 
   loadEnvVars() {
     const lambdaName = this.options.functionObj.name;
-    const MemorySize = Number(this.options.functionObj.memorySize)
+    const memorySize = Number(this.options.functionObj.memorySize)
       || Number(this.serverless.service.provider.memorySize)
       || 1024;
 
@@ -68,7 +68,7 @@ class AwsInvokeLocal {
       AWS_LAMBDA_LOG_GROUP_NAME: this.provider.naming.getLogGroupName(lambdaName),
       AWS_LAMBDA_LOG_STREAM_NAME: '2016/12/02/[$LATEST]f77ff5e4026c45bda9a9ebcec6bc9cad',
       AWS_LAMBDA_FUNCTION_NAME: lambdaName,
-      AWS_LAMBDA_FUNCTION_MEMORY_SIZE: MemorySize,
+      AWS_LAMBDA_FUNCTION_MEMORY_SIZE: memorySize,
       AWS_LAMBDA_FUNCTION_VERSION: '$LATEST',
       NODE_PATH: '/var/runtime:/var/task:/var/runtime/node_modules',
     };