diff --git a/lib/registration.rb b/lib/registration.rb
index 8d6338d078372616a822abae32d9740623e20133..81ae35868dde9158b0f441a41398b868845203de 100644
--- a/lib/registration.rb
+++ b/lib/registration.rb
@@ -180,7 +180,7 @@ class Registration
 						@customer.extend_plan
 					}
 				}.catch_only(InvitesRepo::Invalid) do
-					@invites.stash_code(customer.customer_id, code)
+					@invites.stash_code(@customer.customer_id, code)
 				end
 			end
 		end