diff --git a/src/chain/blockchain.ts b/src/chain/blockchain.ts
index 74fb135..bb9e59c 100644
--- a/src/chain/blockchain.ts
+++ b/src/chain/blockchain.ts
@@ -325,8 +325,8 @@ export class Blockchain {
                 chainName: data.name,
                 nativeCurrency: {
                   name: data.symbol,
-                  symbol: data.symbol || 18,
-                  decimals: data.decimals
+                  symbol: data.symbol,
+                  decimals: data.decimals || 18
                 },
                 blockExplorerUrls: [data.explorerurl],
                 rpcUrls: [data.rpc]