diff --git a/src/backend/postgres/account.c b/src/backend/postgres/account.c
index 8bd9364946..47b0185386 100644
--- a/src/backend/postgres/account.c
+++ b/src/backend/postgres/account.c
@@ -41,6 +41,7 @@
 #include "gnc-commodity.h"
 #include "gnc-engine-util.h"
 #include "gnc-event.h"
+#include "gnc-pricedb.h"
 #include "guid.h"
 
 #include "account.h"
diff --git a/src/backend/postgres/book.c b/src/backend/postgres/book.c
index 5b38121042..35f64665f3 100644
--- a/src/backend/postgres/book.c
+++ b/src/backend/postgres/book.c
@@ -36,6 +36,7 @@
 #include "book.h"
 #include "gnc-book-p.h"
 #include "gnc-engine-util.h"
+#include "gnc-pricedb.h"
 #include "guid.h"
 #include "kvp-sql.h"
 #include "PostgresBackend.h"
diff --git a/src/backend/postgres/price.c b/src/backend/postgres/price.c
index 4a396936fc..0f1bd94acf 100644
--- a/src/backend/postgres/price.c
+++ b/src/backend/postgres/price.c
@@ -353,9 +353,10 @@ pgendGetAllPricesInBook (PGBackend *be, GNCBook *book)
 /* ============================================================= */
 
 void
-pgendPriceFind (Backend *bend, GNCPriceLookup *look)
+pgendPriceFind (Backend *bend, gpointer olook)
 {
    PGBackend *be = (PGBackend *)bend;
+   GNCPriceLookup *look = (GNCPriceLookup *)olook;
    const char * commodity_str;
    const char * currency_str;
    sqlEscape *escape;
diff --git a/src/backend/postgres/price.h b/src/backend/postgres/price.h
index 42405543ec..0452e4a24f 100644
--- a/src/backend/postgres/price.h
+++ b/src/backend/postgres/price.h
@@ -31,7 +31,7 @@ void pgendGetCommodity (PGBackend *be, const char * unique_name);
 void pgendStorePriceDB (PGBackend *be, GNCBook *book);
 void pgendStorePriceDBNoLock (PGBackend *be, GNCBook *book);
 void pgendGetAllPricesInBook (PGBackend *be, GNCBook *);
-void pgendPriceFind (Backend *bend, GNCPriceLookup *look);
+void pgendPriceFind (Backend *bend, gpointer olook);
 
 
 void pgend_price_begin_edit (Backend * bend, GNCPrice *pr);
diff --git a/src/backend/postgres/txn.c b/src/backend/postgres/txn.c
index afd36ac400..b1e94dba5b 100644
--- a/src/backend/postgres/txn.c
+++ b/src/backend/postgres/txn.c
@@ -39,6 +39,7 @@
 #include "gnc-commodity.h"
 #include "gnc-engine-util.h"
 #include "gnc-event.h"
+#include "gnc-pricedb.h"
 #include "guid.h"
 #include "Transaction.h"
 #include "TransactionP.h"