diff --git a/.gitignore b/.gitignore
index f5b1748..e18745b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -46,3 +46,6 @@ env/
 
 # VS Code Config Directory
 .vscode/
+
+# terraform.exe
+terraform.exe
diff --git a/functions/calculateUserDailyDigest.js b/functions/calculateUserDailyDigest.js
index e4db7b2..e07bd23 100644
--- a/functions/calculateUserDailyDigest.js
+++ b/functions/calculateUserDailyDigest.js
@@ -142,7 +142,7 @@ const processUserSubscriptions = async (
   }
 };
 
-const handler = async (event) => {
+export const handler = async (event) => {
   const {
     ES_SEARCH_API,
     EMAIL_MAX_POSTS,
diff --git a/serverless.yml b/serverless.yml
index c77753e..487a951 100644
--- a/serverless.yml
+++ b/serverless.yml
@@ -342,7 +342,7 @@ functions:
       SUBSCRIPTIONS_TABLE: ${self:custom.subscriptionsTableName}
       USER_DIGEST_LAMBDA_NAME: ${self:service}-${self:custom.stage}-calculateUserDailyDigest
   calculateUserDailyDigest:
-    handler: functions/calculateUserDailyDigest.exportedFunctions.handler
+    handler: functions/calculateUserDailyDigest.handler
     description: Calculates and collates previous day's new posts which matching the user's daily subscriptions
     role: calculateUserDailyDigestLambdaRole
     environment: