diff --git a/typescript/ccip-server/src/abis/ProofsServiceAbi.ts b/typescript/ccip-server/src/abis/ProofsServiceAbi.ts
index ead75f1eb..fea798284 100644
--- a/typescript/ccip-server/src/abis/ProofsServiceAbi.ts
+++ b/typescript/ccip-server/src/abis/ProofsServiceAbi.ts
@@ -1,7 +1,7 @@
 // This is the ABI for the ProofsService.
 // This is used to 1) Select the function 2) encode output
 const ProofsServiceAbi = [
-  'function getProofs(address target, bytes32 storageKey, uint256 slot) public view returns (string[][])',
+  'function getProofs(address target, bytes32 storageKey, uint256 slot) public view returns (bytes[][])',
 ];
 
 export { ProofsServiceAbi };