diff --git a/src/lib.rs b/src/lib.rs
index a5b8a15..b74f000 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -45,7 +45,7 @@ fn callback(call: IncomingCall) {
     let server_lock = SERVER.read();
     let server = server_lock.as_ref().unwrap();
     if call.func == 0 {
-        let path = postcard::from_bytes(&call.args).unwrap();
+        let path = postcard::from_bytes(call.args()).unwrap();
         let ret = postcard::to_stdvec(&server.open(path)).unwrap();
         call.send_return(&ret);
     }