diff --git a/plugins/digitalbitbox/digitalbitbox.py b/plugins/digitalbitbox/digitalbitbox.py
index c22c2d7e6..4b238e7c1 100644
--- a/plugins/digitalbitbox/digitalbitbox.py
+++ b/plugins/digitalbitbox/digitalbitbox.py
@@ -559,7 +559,7 @@ class DigitalBitbox_KeyStore(Hardware_KeyStore):
                             # expected serialization though, so we leave it here until we activate it.
                             return '00' + push_script(Transaction.get_preimage_script(txin))
                         raise Exception("unsupported type %s" % txin['type'])
-                tx_dbb_serialized = CustomTXSerialization(tx.serialize()).serialize()
+                tx_dbb_serialized = CustomTXSerialization(tx.serialize()).serialize_to_network()
             else:
                 # We only need this for the signing echo / verification.
                 tx_dbb_serialized = None
diff --git a/plugins/ledger/ledger.py b/plugins/ledger/ledger.py
index 466378196..0dee089d3 100644
--- a/plugins/ledger/ledger.py
+++ b/plugins/ledger/ledger.py
@@ -429,7 +429,7 @@ class Ledger_KeyStore(Hardware_KeyStore):
             # Sign all inputs
             firstTransaction = True
             inputIndex = 0
-            rawTx = tx.serialize()
+            rawTx = tx.serialize_to_network()
             self.get_client().enableAlternate2fa(False)
             if segwitTransaction:
                 self.get_client().startUntrustedTransaction(True, inputIndex,