diff --git a/InvenTree/order/api.py b/InvenTree/order/api.py
index 2d079f8d45..fb175d3037 100644
--- a/InvenTree/order/api.py
+++ b/InvenTree/order/api.py
@@ -886,9 +886,15 @@ class SOAllocationList(generics.ListAPIView):
             outstanding = str2bool(outstanding)
 
             if outstanding:
-                queryset = queryset.filter(line__order__status__in=SalesOrderStatus.OPEN)
+                # Filter only "open" orders
+                # Filter only allocations which have *not* shipped
+                queryset = queryset.filter(
+                    line__order__status__in=SalesOrderStatus.OPEN,
+                    shipment__shipment_date=None,
+                )
             else:
                 queryset = queryset.exclude(line__order__status__in=SalesOrderStatus.OPEN)
+                queryset = queryset.exclude(shipment__shipment_date=None)
 
         return queryset
 
diff --git a/InvenTree/templates/js/translated/stock.js b/InvenTree/templates/js/translated/stock.js
index 421a784281..3cbf6d7634 100644
--- a/InvenTree/templates/js/translated/stock.js
+++ b/InvenTree/templates/js/translated/stock.js
@@ -2353,6 +2353,10 @@ function loadStockAllocationTable(table, options={}) {
             query_params.customer_detail = true;
             query_params.order_detail = true;
 
+            // Note: SalesOrderAllocations do not get deleted,
+            // so we must filter by "outstanding" status
+            query_params.outstanding = true;
+
             delete query_params.build_detail;
 
             // Load sales order allocation data