diff --git a/src/business/business-core/gncAddress.c b/src/business/business-core/gncAddress.c
index 74857e8679..b1fa53e5e9 100644
--- a/src/business/business-core/gncAddress.c
+++ b/src/business/business-core/gncAddress.c
@@ -10,7 +10,7 @@
 
 #include "gnc-engine-util.h"	/* safe_strcmp */
 #include "qofquerycore.h"
-#include "qofqueryobject.h"
+#include "qofclass.h"
 #include "guid.h"
 #include "gnc-event-p.h"
 
diff --git a/src/business/business-core/gncBillTerm.c b/src/business/business-core/gncBillTerm.c
index 09244524f4..06d31a223e 100644
--- a/src/business/business-core/gncBillTerm.c
+++ b/src/business/business-core/gncBillTerm.c
@@ -19,7 +19,7 @@
 #include "qofid.h"
 #include "qofid-p.h"
 #include "qofquery.h"
-#include "qofqueryobject.h"
+#include "qofclass.h"
 
 #include "gncBusiness.h"
 #include "gncBillTermP.h"
diff --git a/src/business/business-core/gncCustomer.c b/src/business/business-core/gncCustomer.c
index d4627ca452..2e9afb00f8 100644
--- a/src/business/business-core/gncCustomer.c
+++ b/src/business/business-core/gncCustomer.c
@@ -23,7 +23,7 @@
 #include "qofid.h"
 #include "qofquerycore.h"
 #include "qofquery.h"
-#include "qofqueryobject.h"
+#include "qofclass.h"
 
 #include "gncBusiness.h"
 #include "gncCustomer.h"
diff --git a/src/business/business-core/gncEmployee.c b/src/business/business-core/gncEmployee.c
index 5f2897bfc9..f4dd67046c 100644
--- a/src/business/business-core/gncEmployee.c
+++ b/src/business/business-core/gncEmployee.c
@@ -18,7 +18,7 @@
 #include "qofobject.h"
 #include "qofquerycore.h"
 #include "qofquery.h"
-#include "qofqueryobject.h"
+#include "qofclass.h"
 #include "gnc-event-p.h"
 #include "gnc-be-utils.h"
 #include "qofid-p.h"
diff --git a/src/business/business-core/gncEntry.c b/src/business/business-core/gncEntry.c
index c65a68d615..16bcdea438 100644
--- a/src/business/business-core/gncEntry.c
+++ b/src/business/business-core/gncEntry.c
@@ -17,7 +17,7 @@
 #include "qofid.h"
 #include "qofquerycore.h"
 #include "qofquery.h"
-#include "qofqueryobject.h"
+#include "qofclass.h"
 #include "gnc-be-utils.h"
 #include "qofid-p.h"
 
diff --git a/src/business/business-core/gncInvoice.c b/src/business/business-core/gncInvoice.c
index 0ccd0e7b82..a578409526 100644
--- a/src/business/business-core/gncInvoice.c
+++ b/src/business/business-core/gncInvoice.c
@@ -18,7 +18,7 @@
 #include "qofid.h"
 #include "qofquerycore.h"
 #include "qofquery.h"
-#include "qofqueryobject.h"
+#include "qofclass.h"
 #include "gnc-event-p.h"
 #include "gnc-lot.h"
 #include "gnc-be-utils.h"
diff --git a/src/business/business-core/gncJob.c b/src/business/business-core/gncJob.c
index 90e03c5273..68f931583d 100644
--- a/src/business/business-core/gncJob.c
+++ b/src/business/business-core/gncJob.c
@@ -17,7 +17,7 @@
 #include "qofid.h"
 #include "qofquerycore.h"
 #include "qofquery.h"
-#include "qofqueryobject.h"
+#include "qofclass.h"
 #include "gnc-event-p.h"
 #include "gnc-be-utils.h"
 #include "qofid-p.h"
diff --git a/src/business/business-core/gncOrder.c b/src/business/business-core/gncOrder.c
index b43b3b45c5..b67b2d356b 100644
--- a/src/business/business-core/gncOrder.c
+++ b/src/business/business-core/gncOrder.c
@@ -16,7 +16,7 @@
 #include "qofid.h"
 #include "qofquerycore.h"
 #include "qofquery.h"
-#include "qofqueryobject.h"
+#include "qofclass.h"
 #include "gnc-event-p.h"
 #include "gnc-be-utils.h"
 #include "qofid-p.h"
diff --git a/src/business/business-core/gncOwner.c b/src/business/business-core/gncOwner.c
index b3518e3c87..f8b8a07d6d 100644
--- a/src/business/business-core/gncOwner.c
+++ b/src/business/business-core/gncOwner.c
@@ -11,7 +11,7 @@
 
 #include "qofquerycore.h"
 #include "qofquery.h"
-#include "qofqueryobject.h"
+#include "qofclass.h"
 
 #include "gncOwner.h"
 #include "gncOwnerP.h"
diff --git a/src/business/business-core/gncTaxTable.c b/src/business/business-core/gncTaxTable.c
index fa912f9499..7460396cd3 100644
--- a/src/business/business-core/gncTaxTable.c
+++ b/src/business/business-core/gncTaxTable.c
@@ -15,7 +15,7 @@
 #include "qofid.h"
 #include "qofquerycore.h"
 #include "qofquery.h"
-#include "qofqueryobject.h"
+#include "qofclass.h"
 #include "gnc-event-p.h"
 #include "gnc-be-utils.h"
 #include "qofid-p.h"
diff --git a/src/business/business-core/gncVendor.c b/src/business/business-core/gncVendor.c
index 1da34f87fc..f26fb8e9e2 100644
--- a/src/business/business-core/gncVendor.c
+++ b/src/business/business-core/gncVendor.c
@@ -18,7 +18,7 @@
 #include "qofid.h"
 #include "qofquerycore.h"
 #include "qofquery.h"
-#include "qofqueryobject.h"
+#include "qofclass.h"
 #include "gnc-be-utils.h"
 #include "qofid-p.h"