diff --git a/.changeset/tender-doors-wave.md b/.changeset/tender-doors-wave.md
new file mode 100644
index 0000000000..2721669f2b
--- /dev/null
+++ b/.changeset/tender-doors-wave.md
@@ -0,0 +1,5 @@
+---
+"medusa-plugin-brightpearl": patch
+---
+
+fix(medusa-plugin-brightpearl): Missing discounts rule relation
diff --git a/packages/medusa-plugin-brightpearl/src/subscribers/order.js b/packages/medusa-plugin-brightpearl/src/subscribers/order.js
index 4e5df3c97f..2e0ca7f4d1 100644
--- a/packages/medusa-plugin-brightpearl/src/subscribers/order.js
+++ b/packages/medusa-plugin-brightpearl/src/subscribers/order.js
@@ -192,7 +192,7 @@ class OrderSubscriber {
   registerReturn = async (data) => {
     const { id, return_id } = data
 
-    const relations = ["discounts", "region", "swaps", "payments"]
+    const relations = ["discounts", "discounts.rule", "region", "swaps", "payments"]
     if (this.featureFlagRouter.isFeatureEnabled("sales_channels")) {
       relations.push("sales_channel")
     }