diff --git a/InvenTree/templates/js/translated/build.js b/InvenTree/templates/js/translated/build.js
index 46f7f32e42..201d3c5c9f 100644
--- a/InvenTree/templates/js/translated/build.js
+++ b/InvenTree/templates/js/translated/build.js
@@ -1025,9 +1025,10 @@ function loadBuildOutputAllocationTable(buildInfo, output, options={}) {
         }
 
         // Store the required quantity in the row data
-        row.required = quantity;
+        // Prevent weird rounding issues
+        row.required = parseFloat(quantity.toFixed(15));
 
-        return quantity;
+        return row.required;
     }
 
     function sumAllocations(row) {
@@ -1043,9 +1044,9 @@ function loadBuildOutputAllocationTable(buildInfo, output, options={}) {
             quantity += item.quantity;
         });
 
-        row.allocated = quantity;
+        row.allocated = parseFloat(quantity.toFixed(15));
 
-        return quantity;
+        return row.allocated;
     }
 
     function setupCallbacks() {
@@ -1642,6 +1643,9 @@ function allocateStockToBuild(build_id, part_id, bom_items, options={}) {
             remaining = 0;
         }
 
+        // Ensure the quantity sent to the form field is correctly formatted
+        remaining = parseFloat(remaining.toFixed(15));
+
         // We only care about entries which are not yet fully allocated
         if (remaining > 0) {
             table_entries += renderBomItemRow(bom_item, remaining);