diff --git a/src/osp/OneStepProverHostIo.sol b/src/osp/OneStepProverHostIo.sol
index f5f124d2..8597ba1d 100644
--- a/src/osp/OneStepProverHostIo.sol
+++ b/src/osp/OneStepProverHostIo.sol
@@ -152,7 +152,7 @@ contract OneStepProverHostIo is IOneStepProver {
         bytes memory extracted;
         uint8 proofType = uint8(proof[proofOffset]);
         proofOffset++;
-        // These values must be kept in sync with `arbitrator/arbutil/src/types.rs`
+        // These values must be kept in sync with `crates/arbutil/src/types.rs`
         // and `arbutil/preimage_type.go` (both in the nitro repo).
         if (inst.argumentData == 0) {
             // The machine is asking for a keccak256 preimage
diff --git a/test/prover/one-step-proof.ts b/test/prover/one-step-proof.ts
index a9f1f53f..2e675a6e 100644
--- a/test/prover/one-step-proof.ts
+++ b/test/prover/one-step-proof.ts
@@ -9,7 +9,7 @@ async function sendTestMessages() {
   const { deployer } = await getNamedAccounts()
   const inbox = await ethers.getContract('InboxStub', deployer)
   const seqInbox = await ethers.getContract('SequencerInboxStub', deployer)
-  const msgRoot = '../arbitrator/prover/test-cases/rust/data/'
+  const msgRoot = '../crates/prover/test-cases/rust/data/'
   const gasOpts = {
     gasLimit: ethers.utils.hexlify(250000),
     gasPrice: ethers.utils.parseUnits('5', 'gwei'),