diff --git a/internal/backend/azure/azure.go b/internal/backend/azure/azure.go
index 57bef4b22..4041d3adc 100644
--- a/internal/backend/azure/azure.go
+++ b/internal/backend/azure/azure.go
@@ -51,7 +51,7 @@ func open(cfg Config, rt http.RoundTripper) (*Backend, error) {
 	url := fmt.Sprintf("https://%s.blob.core.windows.net/%s", cfg.AccountName, cfg.Container)
 	opts := &azContainer.ClientOptions{
 		ClientOptions: azcore.ClientOptions{
-			Transport: http.DefaultClient,
+			Transport: &http.Client{Transport: rt},
 		},
 	}