diff --git a/sapmodel.serverless.yml b/sapmodel.serverless.yml
index bdf7d16b..80303504 100644
--- a/sapmodel.serverless.yml
+++ b/sapmodel.serverless.yml
@@ -5,7 +5,7 @@ provider:
   region: eu-west-2
   architecture: x86_64
   environment:
-    RUNTIME_ENVIRONMENT: ${env:ENVIRONMENT}
+    RUNTIME_ENVIRONMENT: ${env:RUNTIME_ENVIRONMENT}
     MODEL_DIRECTORY_BUCKET: ${env:MODEL_DIRECTORY_BUCKET}
     PREDICTIONS_BUCKET: ${env:PREDICTIONS_BUCKET}
     DOMAIN_NAME: ${env:DOMAIN_NAME}