diff --git a/src/engine/net/client/handlers/ItemProductionMsgHandler.java b/src/engine/net/client/handlers/ItemProductionMsgHandler.java
index 622f61e7..6efb1bd8 100644
--- a/src/engine/net/client/handlers/ItemProductionMsgHandler.java
+++ b/src/engine/net/client/handlers/ItemProductionMsgHandler.java
@@ -418,7 +418,8 @@ public class ItemProductionMsgHandler extends AbstractClientMsgHandler {
             // Update total_to_produce accounting for the slot being
             // removed while workOrder is not completed.
 
-            if (workOrder.runCompleted == false) {
+            if (workOrder.runCompleted == false)
+                if (workOrder.multiple_slot_request && workOrder.slots_used > 1) {
                 int itemsPerSlot = workOrder.total_to_produce / workOrder.slots_used;
                 workOrder.total_to_produce = workOrder.total_to_produce - itemsPerSlot;
             }