diff --git a/lib/wallet.py b/lib/wallet.py
index 0dfca00d4..b59fb2b40 100644
--- a/lib/wallet.py
+++ b/lib/wallet.py
@@ -856,8 +856,7 @@ class Abstract_Wallet(PrintError):
         # Sort the inputs and outputs deterministically
         tx.BIP_LI01_sort()
         # Timelock tx to current height.
-        # Disabled until keepkey firmware update
-        # tx.locktime = self.get_local_height()
+        tx.locktime = self.get_local_height()
         run_hook('make_unsigned_transaction', self, tx)
         return tx