diff --git a/serde_derive/src/lib.rs b/serde_derive/src/lib.rs
index d0cc0ef9..f4d592d6 100644
--- a/serde_derive/src/lib.rs
+++ b/serde_derive/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(rustc_macro)]
+#![feature(rustc_macro, rustc_macro_lib)]
 
 extern crate rustc_macro;
 extern crate serde_codegen;
diff --git a/tmp_test/src/main.rs b/tmp_test/src/main.rs
index bc3e30d4..8e4c43b6 100644
--- a/tmp_test/src/main.rs
+++ b/tmp_test/src/main.rs
@@ -4,7 +4,7 @@
 extern crate serde_derive;
 extern crate serde_json;
 
-#[derive(Serialize)]
+#[derive(Serialize, Deserialize)]
 enum Macros {
     #[serde(rename = "macros 1.1")]
     OnePointOne,