diff --git a/app.py b/app.py
index e69d5940d2c5e0762b63414c9e64e527d0d7784f..083b7e602e74a7d7962c2994e2eaacdb3fe9a71d 100644
--- a/app.py
+++ b/app.py
@@ -13,8 +13,8 @@ def build_fraud_context(
     email: str,
     tool: CustomerTool,
 ) -> str:
-    customer = tool.lookup_customer(email=email)
-    amount = float(customer["lifetime_value_dollars"])
+    customer = tool.lookup_customer(customer_id=customer_id)
+    amount = int(customer["lifetime_value_cents"]) / 100
     return f"Fraud review for {customer_id}; customer value ${amount:,.2f}"