diff --git a/app/code/core/Mage/Sales/Model/Quote/Item.php b/app/code/core/Mage/Sales/Model/Quote/Item.php
index 67e905b122f..02dc5dfe89a 100644
--- a/app/code/core/Mage/Sales/Model/Quote/Item.php
+++ b/app/code/core/Mage/Sales/Model/Quote/Item.php
@@ -442,6 +442,16 @@ public function representProduct($product)
             if ($this->getParentItem() !== $stickWithinParent) {
                 return false;
             }
+
+            /**
+             * Bypass custom options checks for bundled child items
+             * This prevents cases of adding an additional child item to the quote
+             * when an existing child product is modified while the bundled item is in a cart.
+             *
+             * Note: This may result in outdated prices being displayed in admin order views,
+             * as the bundle_selection_attributes won't be updated.
+             */
+            return true;
         }
 
         // Check options