diff --git a/migration/340s-trunk/172_moreforeignkeys.sql b/migration/340s-trunk/172_moreforeignkeys.sql
new file mode 100644
index 0000000000..6a6fdc75c8
--- /dev/null
+++ b/migration/340s-trunk/172_moreforeignkeys.sql
@@ -0,0 +1,6 @@
+ALTER TABLE PP_MRP ADD (CONSTRAINT DDOrder_PPMRP FOREIGN KEY (DD_Order_ID) REFERENCES DD_ORDER);
+
+ALTER TABLE PP_MRP ADD (CONSTRAINT DDOrderLine_PPMRP FOREIGN KEY (DD_OrderLine_ID) REFERENCES DD_ORDERLINE);
+
+ALTER TABLE PP_ORDER_BOMLINE ADD (CONSTRAINT ADUser_PPOrderBOMLine FOREIGN KEY (AD_User_ID) REFERENCES AD_USER);
+
diff --git a/migration/340s-trunk/postgresql/172_moreforeignkeys.sql b/migration/340s-trunk/postgresql/172_moreforeignkeys.sql
new file mode 100644
index 0000000000..537fe2838b
--- /dev/null
+++ b/migration/340s-trunk/postgresql/172_moreforeignkeys.sql
@@ -0,0 +1,6 @@
+ALTER TABLE PP_MRP ADD CONSTRAINT DDOrder_PPMRP FOREIGN KEY (DD_Order_ID) REFERENCES DD_ORDER;
+
+ALTER TABLE PP_MRP ADD CONSTRAINT DDOrderLine_PPMRP FOREIGN KEY (DD_OrderLine_ID) REFERENCES DD_ORDERLINE;
+
+ALTER TABLE PP_ORDER_BOMLINE ADD CONSTRAINT ADUser_PPOrderBOMLine FOREIGN KEY (AD_User_ID) REFERENCES AD_USER;
+