diff --git a/integration-tests/api/__tests__/admin/discount.js b/integration-tests/api/__tests__/admin/discount.js
index 21e43264ab..bb194bf895 100644
--- a/integration-tests/api/__tests__/admin/discount.js
+++ b/integration-tests/api/__tests__/admin/discount.js
@@ -640,6 +640,7 @@ describe("/admin/discounts", () => {
               conditions: [
                 {
                   id: condsToUpdate.id,
+                  operator: "not_in",
                   products: [product.id, anotherProduct.id],
                 },
               ],
@@ -656,10 +657,10 @@ describe("/admin/discounts", () => {
         })
 
       expect(updated.status).toEqual(200)
-      expect(updated.data.discount.rule.conditions).toEqual([
+      expect(updated.data.discount.rule.conditions).toEqual(expect.arrayContaining([
         expect.objectContaining({
           type: "products",
-          operator: "in",
+          operator: "not_in",
           products: expect.arrayContaining([
             expect.objectContaining({
               id: product.id,
@@ -673,7 +674,7 @@ describe("/admin/discounts", () => {
           type: "product_types",
           operator: "not_in",
         }),
-      ])
+      ]))
     })
 
     it("fails to add condition on rule with existing comb. of type and operator", async () => {
diff --git a/packages/medusa/src/services/discount-condition.ts b/packages/medusa/src/services/discount-condition.ts
index e91707b994..49d2eab603 100644
--- a/packages/medusa/src/services/discount-condition.ts
+++ b/packages/medusa/src/services/discount-condition.ts
@@ -122,6 +122,13 @@ class DiscountConditionService extends BaseService {
           manager.getCustomRepository(this.discountConditionRepository_)
 
         if (data.id) {
+          const resolvedCondition = await this.retrieve(data.id)
+
+          if (data.operator && data.operator !== resolvedCondition.operator) {
+            resolvedCondition.operator = data.operator
+            await discountConditionRepo.save(resolvedCondition)
+          }
+
           return await discountConditionRepo.addConditionResources(
             data.id,
             resolvedConditionType.resource_ids,