diff --git a/digital_asset_types/src/dapi/common/asset.rs b/digital_asset_types/src/dapi/common/asset.rs
index 54d658edb..aa27b636a 100644
--- a/digital_asset_types/src/dapi/common/asset.rs
+++ b/digital_asset_types/src/dapi/common/asset.rs
@@ -268,8 +268,8 @@ pub fn asset_to_rpc(asset: FullAsset) -> Result<RpcAsset, DbErr> {
         .and_then(|v| v.as_bool())
         .unwrap_or(false);
     let edition_nonce = safe_select(chain_data_selector, "$.edition_nonce")
-        .and_then(|v| v.as_u64())
-        .unwrap_or(0);
+        .and_then(|v| v.as_u64());
+
     Ok(RpcAsset {
         interface: interface.clone(),
         id: bs58::encode(asset.id).into_string(),
diff --git a/digital_asset_types/src/rpc/asset.rs b/digital_asset_types/src/rpc/asset.rs
index 8d9984a55..9357ed493 100644
--- a/digital_asset_types/src/rpc/asset.rs
+++ b/digital_asset_types/src/rpc/asset.rs
@@ -331,7 +331,7 @@ pub struct Uses {
 pub struct Supply {
     pub print_max_supply: u64,
     pub print_current_supply: u64,
-    pub edition_nonce: u64,
+    pub edition_nonce: Option<u64>,
 }
 
 #[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]