diff --git a/src/engine/net/client/handlers/ItemProductionMsgHandler.java b/src/engine/net/client/handlers/ItemProductionMsgHandler.java
index 05528578..61657863 100644
--- a/src/engine/net/client/handlers/ItemProductionMsgHandler.java
+++ b/src/engine/net/client/handlers/ItemProductionMsgHandler.java
@@ -148,10 +148,13 @@ public class ItemProductionMsgHandler extends AbstractClientMsgHandler {
 
             workOrder.slots_used = workOrder.slots_used - 1;
 
-            // If this is the last item then remove the workOrder from the game
+            // Update workOrder on disk
 
-            if (workOrder.cooking.isEmpty())
+            if (workOrder.cooking.isEmpty()) {
                 ForgeManager.vendorWorkOrderLookup.get(vendor).remove(workOrder);
+                DbManager.WarehouseQueries.DELETE_WORKORDER(workOrder);
+            } else
+                DbManager.WarehouseQueries.UPDATE_WORKORDER(workOrder);
 
             // Persist item and add to vendor inventory
 
@@ -399,10 +402,13 @@ public class ItemProductionMsgHandler extends AbstractClientMsgHandler {
 
             workOrder.slots_used = workOrder.slots_used - 1;
 
-            // If this is the last item then remove the workOrder from the game
+            // Update workOrder on disk
 
-            if (workOrder.cooking.isEmpty())
+            if (workOrder.cooking.isEmpty()) {
                 ForgeManager.vendorWorkOrderLookup.get(vendor).remove(workOrder);
+                DbManager.WarehouseQueries.DELETE_WORKORDER(workOrder);
+            } else
+                DbManager.WarehouseQueries.UPDATE_WORKORDER(workOrder);
 
             // Refresh vendor's inventory to client