diff --git a/src/backend/sql/gnc-lots-sql.c b/src/backend/sql/gnc-lots-sql.c
index 403c5a0730..90aae61276 100644
--- a/src/backend/sql/gnc-lots-sql.c
+++ b/src/backend/sql/gnc-lots-sql.c
@@ -50,7 +50,7 @@ static void set_lot_is_closed( gpointer pObject, gboolean value );
 static const GncSqlColumnTableEntry col_table[] =
 {
     { "guid",         CT_GUID,    0, COL_NNUL|COL_PKEY, "guid" },
-    { "account_guid", CT_GUID,    0, COL_NNUL,          NULL, NULL, get_lot_account,   set_lot_account },
+    { "account_guid", CT_GUID,    0, 0,                 NULL, NULL, get_lot_account,   set_lot_account },
     { "is_closed",    CT_BOOLEAN, 0, COL_NNUL,          NULL, NULL,
 		(QofAccessFunc)gnc_lot_is_closed, (QofSetterFunc)set_lot_is_closed },
     { NULL }