diff --git a/pmg-rs/src/acme.rs b/pmg-rs/src/acme.rs
index 7ea78c6..e2e7327 100644
--- a/pmg-rs/src/acme.rs
+++ b/pmg-rs/src/acme.rs
@@ -403,7 +403,7 @@ pub mod export {
         this.inner
             .lock()
             .unwrap()
-            .revoke_certificate(&data, reason)?;
+            .revoke_certificate(data, reason)?;
         Ok(())
     }