diff --git a/zenu-layer/src/layers/rnn/mod.rs b/zenu-layer/src/layers/rnn/mod.rs
index 98bf9f74..08de1046 100644
--- a/zenu-layer/src/layers/rnn/mod.rs
+++ b/zenu-layer/src/layers/rnn/mod.rs
@@ -6,6 +6,6 @@ mod lstm;
 mod rnn;
 
 pub use gru::*;
+pub use inner::Activation;
 pub use lstm::*;
 pub use rnn::*;
-pub use inner::Activation