diff --git a/json/src/account.rs b/json/src/account.rs
index c25d62f..796039a 100644
--- a/json/src/account.rs
+++ b/json/src/account.rs
@@ -107,7 +107,7 @@ pub struct AccountHistory {
     pub amounts: Vec<String>,
 }
 
-#[derive(Debug, Serialize, Deserialize)]
+#[derive(Debug, Serialize, Deserialize, Default)]
 #[serde(rename_all = "camelCase")]
 pub struct AccountHistoryOptions {
     max_block_height: Option<u64>,