diff --git a/.changeset/weak-waves-watch.md b/.changeset/weak-waves-watch.md
new file mode 100644
index 0000000000..8f6c4fc153
--- /dev/null
+++ b/.changeset/weak-waves-watch.md
@@ -0,0 +1,5 @@
+---
+"medusa-plugin-brightpearl": patch
+---
+
+fix(brightpearl): split externalRef to get product id
diff --git a/packages/medusa-plugin-brightpearl/src/services/brightpearl.js b/packages/medusa-plugin-brightpearl/src/services/brightpearl.js
index e1007cdc51..b3eb85870b 100644
--- a/packages/medusa-plugin-brightpearl/src/services/brightpearl.js
+++ b/packages/medusa-plugin-brightpearl/src/services/brightpearl.js
@@ -1705,7 +1705,7 @@ class BrightpearlService extends BaseService {
       const { fulfillments: existingFulfillments, sales_channel } =
         await this.orderService_
           .withTransaction(transactionManager)
-          .retrieve(order.externalRef, {
+          .retrieve(order.externalRef.split(".")[0], {
             relations: ["fulfillments", "sales_channel"],
           })