diff --git a/src/exchangedb/plugin_exchangedb_postgres.c b/src/exchangedb/plugin_exchangedb_postgres.c
index 2d99311af..3a269c6de 100644
--- a/src/exchangedb/plugin_exchangedb_postgres.c
+++ b/src/exchangedb/plugin_exchangedb_postgres.c
@@ -1262,13 +1262,13 @@ prepare_statements (struct PostgresClosure *pg)
       "get_purse_deposit_by_coin_pub",
       "SELECT"
       " partner_base_url"
-      ",amount_with_fee_val"
-      ",amount_with_fee_frac"
+      ",pd.amount_with_fee_val"
+      ",pd.amount_with_fee_frac"
       ",denoms.fee_deposit_val"
       ",denoms.fee_deposit_frac"
-      ",purse_pub"
-      ",coin_sig"
-      ",purse_deposit_serial_id"
+      ",pd.purse_pub"
+      ",pd.coin_sig"
+      ",pd.purse_deposit_serial_id"
       ",pr.refunded"
       " FROM purse_deposits pd"
       " LEFT JOIN partners"