diff --git a/weeder.toml b/weeder.toml
index 379b7f034e5..7e2f58f0a5a 100644
--- a/weeder.toml
+++ b/weeder.toml
@@ -31,6 +31,7 @@ root-instances = [
  , { module = "Hydra.Contract.Commit", instance = "UnsafeFromData RedeemerType" }
  , { module = "Hydra.Contract.Deposit", instance = "FromData DepositRedeemer" }
  , { module = "Hydra.Contract.MintAction", instance = "FromData MintAction" }
+ , { module = "Hydra.Contract.Initial", instance = "UnsafeFromData RedeemerType" }
  # This one is odd.
  , { module = "Hydra.Network.Ouroboros.Type", instance = "Protocol" }
  # TODO: Remove this