diff --git a/database/core.tsql b/database/core.tsql
index 10f2698d1fb53b85aecbb200e13a3ae12a0f035a..fa73d5d7b321f7edc798e224287e6d950cc58d51 100644
--- a/database/core.tsql
+++ b/database/core.tsql
@@ -90,6 +90,9 @@ CREATE TABLE @PREFIX@topups (
 
 	UserID			@SERIAL_REF_TYPE@ NOT NULL,
 
+				/* 1 = traffic topup, 2 = uptime topup */
+	Type			@INT_UNSIGNED@,
+
 	ValidFrom		DATETIME,
 	ValidTo			DATETIME,