diff --git a/onchain/rollups/contracts/inputs/IInputBox.sol b/onchain/rollups/contracts/inputs/IInputBox.sol
index c6a38469..8643d5b0 100644
--- a/onchain/rollups/contracts/inputs/IInputBox.sol
+++ b/onchain/rollups/contracts/inputs/IInputBox.sol
@@ -7,15 +7,15 @@ pragma solidity ^0.8.8;
 interface IInputBox {
     /// @notice Emitted when an input is added to a DApp's input box.
     /// @param dapp The address of the DApp
-    /// @param inputIndex The index of the input in the input box
+    /// @param index The index of the input in the input box
     /// @param sender The address that sent the input
-    /// @param input The input payload
+    /// @param payload The input payload
     /// @dev MUST be triggered on a successful call to `addInput`.
     event InputAdded(
         address indexed dapp,
-        uint256 indexed inputIndex,
+        uint256 indexed index,
         address sender,
-        bytes input
+        bytes payload
     );
 
     /// @notice Add an input to a DApp's input box.
diff --git a/onchain/rollups/test/foundry/inputs/InputBox.t.sol b/onchain/rollups/test/foundry/inputs/InputBox.t.sol
index dfdb1744..66a5bc9d 100644
--- a/onchain/rollups/test/foundry/inputs/InputBox.t.sol
+++ b/onchain/rollups/test/foundry/inputs/InputBox.t.sol
@@ -139,9 +139,9 @@ contract InputBoxTest is Test {
 
     event InputAdded(
         address indexed dapp,
-        uint256 indexed inputIndex,
+        uint256 indexed index,
         address sender,
-        bytes input
+        bytes payload
     );
 
     function setUp() public {
diff --git a/onchain/rollups/test/foundry/portals/ERC20Portal.t.sol b/onchain/rollups/test/foundry/portals/ERC20Portal.t.sol
index 8fc454e4..2a104db0 100644
--- a/onchain/rollups/test/foundry/portals/ERC20Portal.t.sol
+++ b/onchain/rollups/test/foundry/portals/ERC20Portal.t.sol
@@ -92,9 +92,9 @@ contract ERC20PortalTest is Test {
 
     event InputAdded(
         address indexed dapp,
-        uint256 indexed inputIndex,
+        uint256 indexed index,
         address sender,
-        bytes input
+        bytes payload
     );
     event WatchedTransfer(
         address from,
diff --git a/onchain/rollups/test/foundry/portals/ERC721Portal.t.sol b/onchain/rollups/test/foundry/portals/ERC721Portal.t.sol
index 3cd25216..0b4ca620 100644
--- a/onchain/rollups/test/foundry/portals/ERC721Portal.t.sol
+++ b/onchain/rollups/test/foundry/portals/ERC721Portal.t.sol
@@ -91,9 +91,9 @@ contract ERC721PortalTest is Test {
 
     event InputAdded(
         address indexed dapp,
-        uint256 indexed inputIndex,
+        uint256 indexed index,
         address sender,
-        bytes input
+        bytes payload
     );
     event Transfer(
         address indexed from,
diff --git a/onchain/rollups/test/foundry/portals/EtherPortal.t.sol b/onchain/rollups/test/foundry/portals/EtherPortal.t.sol
index 90816aba..f313c175 100644
--- a/onchain/rollups/test/foundry/portals/EtherPortal.t.sol
+++ b/onchain/rollups/test/foundry/portals/EtherPortal.t.sol
@@ -48,9 +48,9 @@ contract EtherPortalTest is Test {
 
     event InputAdded(
         address indexed dapp,
-        uint256 indexed inputIndex,
+        uint256 indexed index,
         address sender,
-        bytes input
+        bytes payload
     );
     event WatchedFallback(
         address sender,
diff --git a/onchain/rollups/test/foundry/relays/DAppAddressRelay.t.sol b/onchain/rollups/test/foundry/relays/DAppAddressRelay.t.sol
index b2f70209..7428f459 100644
--- a/onchain/rollups/test/foundry/relays/DAppAddressRelay.t.sol
+++ b/onchain/rollups/test/foundry/relays/DAppAddressRelay.t.sol
@@ -17,9 +17,9 @@ contract DAppAddressRelayTest is Test {
 
     event InputAdded(
         address indexed dapp,
-        uint256 indexed inputIndex,
+        uint256 indexed index,
         address sender,
-        bytes input
+        bytes payload
     );
 
     function setUp() public {