diff --git a/pages/object-storage/api-cli/setting-cors-rules.mdx b/pages/object-storage/api-cli/setting-cors-rules.mdx
index f991cb75d7..d2e9934373 100644
--- a/pages/object-storage/api-cli/setting-cors-rules.mdx
+++ b/pages/object-storage/api-cli/setting-cors-rules.mdx
@@ -110,6 +110,10 @@ aws s3api delete-bucket-cors --bucket BUCKETNAME
 
 ## Troubleshooting
 
-If you encounter errors while using CORS rules with Scaleway Object Storage, make sure you have properly configured the [AWS CLI](/object-storage/api-cli/object-storage-aws-cli/) using your Scaleway credentials.
+If you encounter errors while using CORS rules with Scaleway Object Storage, make sure that:
+
+- you have configured the [AWS CLI](/object-storage/api-cli/object-storage-aws-cli/) using your Scaleway credentials.
+
+- you have the `ObjectStorageBucketsWrite` or `ObjectStorageFullAccess` [IAM permissions](/iam/how-to/view-permission-sets/).
 
 Refer to the [dedicated troubleshooting pages](/object-storage/troubleshooting/) to get more help with Scaleway Object Storage.
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