diff --git a/src/lotus_json/actor_states/evm_state.rs b/src/lotus_json/actor_states/evm_state.rs
index 650ce8c62de2..f5d4d7e97404 100644
--- a/src/lotus_json/actor_states/evm_state.rs
+++ b/src/lotus_json/actor_states/evm_state.rs
@@ -22,7 +22,7 @@ pub struct EVMStateLotusJson {
     pub contract_state: Cid,
 
     #[schemars(with = "LotusJson<Option<TransientData>>")]
-    #[serde(with = "crate::lotus_json", skip_serializing_if = "Option::is_none")]
+    #[serde(with = "crate::lotus_json")]
     pub transient_data: Option<Option<TransientData>>, // only available in evm actor state v16
 
     pub nonce: u64,