diff --git a/src/engine/gnc-pricedb-p.h b/src/engine/gnc-pricedb-p.h
index f79902ec11..5d5b9c21fb 100644
--- a/src/engine/gnc-pricedb-p.h
+++ b/src/engine/gnc-pricedb-p.h
@@ -64,12 +64,15 @@ typedef enum {
   LOOKUP_LATEST = 1,
   LOOKUP_ALL,
   LOOKUP_AT_TIME,
-  LOOKUP_NEAREST_IN_TIME
+  LOOKUP_NEAREST_IN_TIME,
+  LOOKUP_LATEST_BEFORE,
+  LOOKUP_EARLIEST_AFTER
 } PriceLookupType;
 
 
 struct _GNCPriceLookup {
   PriceLookupType type;
+  GNCPriceDB     *prdb;
   gnc_commodity  *commodity;
   gnc_commodity  *currency;
   Timespec        date;
diff --git a/src/engine/gnc-pricedb.c b/src/engine/gnc-pricedb.c
index 1ac652c60f..05cff9ca76 100644
--- a/src/engine/gnc-pricedb.c
+++ b/src/engine/gnc-pricedb.c
@@ -642,6 +642,7 @@ gnc_pricedb_lookup_latest(GNCPriceDB *db,
   {
      GNCPriceLookup pl;
      pl.type = LOOKUP_LATEST;
+     pl.prdb = db;
      pl.commodity = commodity;
      pl.currency = currency;
      (db->backend->price_lookup) (db->backend, &pl);
@@ -678,6 +679,7 @@ gnc_pricedb_get_prices(GNCPriceDB *db,
   {
      GNCPriceLookup pl;
      pl.type = LOOKUP_ALL;
+     pl.prdb = db;
      pl.commodity = commodity;
      pl.currency = currency;
      (db->backend->price_lookup) (db->backend, &pl);
@@ -715,6 +717,7 @@ gnc_pricedb_lookup_at_time(GNCPriceDB *db,
   {
      GNCPriceLookup pl;
      pl.type = LOOKUP_AT_TIME;
+     pl.prdb = db;
      pl.commodity = c;
      pl.currency = currency;
      pl.date = t;
@@ -762,6 +765,7 @@ gnc_pricedb_lookup_nearest_in_time(GNCPriceDB *db,
   {
      GNCPriceLookup pl;
      pl.type = LOOKUP_NEAREST_IN_TIME;
+     pl.prdb = db;
      pl.commodity = c;
      pl.currency = currency;
      pl.date = t;