diff --git a/src/pages/developers/tutorials/swap.mdx b/src/pages/developers/tutorials/swap.mdx
index 0c59ca25..f7466014 100644
--- a/src/pages/developers/tutorials/swap.mdx
+++ b/src/pages/developers/tutorials/swap.mdx
@@ -312,6 +312,7 @@ npx zetachain evm deposit-and-call \
   --types address bytes bool \
   --receiver $UNIVERSAL \
   --values $ZRC20_ETHEREUM_ETH $RECIPIENT true
+  --private-key $PRIVATE_KEY
 ```
 
 This sends 0.001 ETH from Base Sepolia into ZetaChain. Under the hood, this