diff --git a/serverless.yml b/serverless.yml
index 0d8a052f..4615a003 100644
--- a/serverless.yml
+++ b/serverless.yml
@@ -14,7 +14,7 @@ provider:
     EPC_AUTH_TOKEN: ${env:EPC_AUTH_TOKEN}
     DB_HOST: ${env:DB_HOST}
     DB_NAME: ${env:DB_NAME}
-    DB_USER: ${env:DB_USER}
+    DB_USERNAME: ${env:DB_USERNAME}
     DB_PASSWORD: ${env:DB_PASSWORD}
     DB_PORT: ${env:DB_PORT}
   # Give lambda access to read from the bucket