diff --git a/camisatoshi_wordpress_reports/controllers.py b/camisatoshi_wordpress_reports/controllers.py
index 27516c3..7b8d346 100644
--- a/camisatoshi_wordpress_reports/controllers.py
+++ b/camisatoshi_wordpress_reports/controllers.py
@@ -128,7 +128,7 @@ def generate_um_report(
             # royalties paid to BBO for the BBO products.
             sats_owed_to_um = (
                 (sats_received_for_sku * discount_factor_for_bbo_skus)
-                * UM_FIRST_AGREEMENT_PERCENTAGE,
+                * UM_FIRST_AGREEMENT_PERCENTAGE
             )
 
             report.append(