diff --git a/InvenTree/templates/js/build.js b/InvenTree/templates/js/build.js
index e8af981817..31917aab26 100644
--- a/InvenTree/templates/js/build.js
+++ b/InvenTree/templates/js/build.js
@@ -231,6 +231,7 @@ function loadBuildOrderAllocationTable(table, options={}) {
             {
                 field: 'quantity',
                 title: '{% trans "Quantity" %}',
+                sortable: true,
             }
         ]
     });
diff --git a/InvenTree/templates/js/order.js b/InvenTree/templates/js/order.js
index 649357b083..0af54fa43c 100644
--- a/InvenTree/templates/js/order.js
+++ b/InvenTree/templates/js/order.js
@@ -391,6 +391,7 @@ function loadSalesOrderAllocationTable(table, options={}) {
             {
                 field: 'quantity',
                 title: '{% trans "Quantity" %}',
+                sortable: true,
             }
         ]
     });