diff --git a/lib/Echidna/Types/CodehashMap.hs b/lib/Echidna/Types/CodehashMap.hs
index 50c02a314..ba609db21 100644
--- a/lib/Echidna/Types/CodehashMap.hs
+++ b/lib/Echidna/Types/CodehashMap.hs
@@ -29,7 +29,8 @@ lookupCodehash chmap codehash contr dapp = do
   case Map.lookup codehash chmapVal of
     Just val -> pure val
     Nothing -> do
-      -- hevm's `findSrc` doesn't always work, since `SolcContract.immutableReferences` isn't always populated
+      -- hevm's `findSrc` doesn't always work, since
+      -- `SolcContract.immutableReferences` isn't always populated
       let solcContract = findSrc contr dapp <|> findSrcByMetadata contr dapp
           originalCodehash = maybe codehash (.runtimeCodehash) solcContract
       atomicModifyIORef' chmap $ (, ()) . Map.insert codehash originalCodehash