diff --git a/.github/workflows/deploy_fastapi_backend.yml b/.github/workflows/deploy_fastapi_backend.yml
index c5f26dfd..b8c533f9 100644
--- a/.github/workflows/deploy_fastapi_backend.yml
+++ b/.github/workflows/deploy_fastapi_backend.yml
@@ -84,11 +84,11 @@ jobs:
         run: |
           # Fetch database credentials from AWS Secrets Manager
           SECRET_VALUE=$(aws secretsmanager get-secret-value --secret-id dev/assessment_model/db_credentials --query SecretString)
-          DB_USER=$(echo "$SECRET_VALUE" | jq -r '. | fromjson | .db_assessment_model_username')
+          DB_USERNAME=$(echo "$SECRET_VALUE" | jq -r '. | fromjson | .db_assessment_model_username')
           DB_PASSWORD=$(echo "$SECRET_VALUE" | jq -r '. | fromjson | .db_assessment_model_password')
 
           # Set the database credentials as environment variables
-          export DB_USER
+          export DB_USERNAME
           export DB_PASSWORD
 
           # Deploy to AWS Lambda via Serverless