diff --git a/sdk/storage/azure-storage-blob/samples/blob_samples_client_side_encryption.py b/sdk/storage/azure-storage-blob/samples/blob_samples_client_side_encryption.py
index 83bf2ff2e028..4c14c685950e 100644
--- a/sdk/storage/azure-storage-blob/samples/blob_samples_client_side_encryption.py
+++ b/sdk/storage/azure-storage-blob/samples/blob_samples_client_side_encryption.py
@@ -142,7 +142,7 @@ def put_encrypted_blob(self):
             # this property will tell the service to encrypt the blob. Blob encryption
             # is supported only for uploading whole blobs and only at the time of creation.
             kek = KeyWrapper('key1')
-            self.container_client.key_resolver_function = kek
+            self.container_client.key_encryption_key = kek
 
             self.container_client.upload_blob(block_blob_name, u'ABC', )