diff --git a/electrum/commands.py b/electrum/commands.py
index de1279d6d..9d090a955 100644
--- a/electrum/commands.py
+++ b/electrum/commands.py
@@ -54,7 +54,6 @@ from .address_synchronizer import TX_HEIGHT_LOCAL
 from .mnemonic import Mnemonic
 from .lnutil import SENT, RECEIVED
 from .lnutil import LnFeatures
-from .lnutil import ln_dummy_address
 from .lnpeer import channel_id_from_funding_tx
 from .plugin import run_hook
 from .version import ELECTRUM_VERSION
@@ -996,13 +995,17 @@ class Commands:
     async def open_channel(self, connection_string, amount, push_amount=0, password=None, wallet: Abstract_Wallet = None):
         funding_sat = satoshis(amount)
         push_sat = satoshis(push_amount)
-        dummy_output = PartialTxOutput.from_address_and_value(ln_dummy_address(), funding_sat)
-        funding_tx = wallet.mktx(outputs = [dummy_output], rbf=False, sign=False, nonlocal_only=True)
-        chan, funding_tx = await wallet.lnworker._open_channel_coroutine(connect_str=connection_string,
-                                                                         funding_tx=funding_tx,
-                                                                         funding_sat=funding_sat,
-                                                                         push_sat=push_sat,
-                                                                         password=password)
+        coins = wallet.get_spendable_coins(None)
+        funding_tx = wallet.lnworker.mktx_for_open_channel(
+            coins=coins,
+            funding_sat=funding_sat,
+            fee_est=None)
+        chan, funding_tx = await wallet.lnworker._open_channel_coroutine(
+            connect_str=connection_string,
+            funding_tx=funding_tx,
+            funding_sat=funding_sat,
+            push_sat=push_sat,
+            password=password)
         return chan.funding_outpoint.to_str()
 
     @command('')
diff --git a/electrum/lnworker.py b/electrum/lnworker.py
index e063ddd0d..9d9a33cf3 100644
--- a/electrum/lnworker.py
+++ b/electrum/lnworker.py
@@ -984,8 +984,11 @@ class LNWallet(LNWorker):
             self.remove_channel(chan.channel_id)
             raise
 
-    def mktx_for_open_channel(self, *, coins: Sequence[PartialTxInput], funding_sat: int,
-                              fee_est=None) -> PartialTransaction:
+    def mktx_for_open_channel(
+            self, *,
+            coins: Sequence[PartialTxInput],
+            funding_sat: int,
+            fee_est=None) -> PartialTransaction:
         dummy_address = ln_dummy_address()
         outputs = [PartialTxOutput.from_address_and_value(dummy_address, funding_sat)]
         tx = self.wallet.make_unsigned_transaction(
diff --git a/electrum/wallet.py b/electrum/wallet.py
index 8b7d4014d..24a3a7c34 100644
--- a/electrum/wallet.py
+++ b/electrum/wallet.py
@@ -1330,13 +1330,17 @@ class Abstract_Wallet(AddressSynchronizer, ABC):
         run_hook('make_unsigned_transaction', self, tx)
         return tx
 
-    def mktx(self, *, outputs: List[PartialTxOutput], password=None, fee=None, change_addr=None,
-             domain=None, rbf=False, nonlocal_only=False, tx_version=None, sign=True) -> PartialTransaction:
+    def mktx(self, *,
+             outputs: List[PartialTxOutput],
+             password=None, fee=None, change_addr=None,
+             domain=None, rbf=False, nonlocal_only=False,
+             tx_version=None, sign=True) -> PartialTransaction:
         coins = self.get_spendable_coins(domain, nonlocal_only=nonlocal_only)
-        tx = self.make_unsigned_transaction(coins=coins,
-                                            outputs=outputs,
-                                            fee=fee,
-                                            change_addr=change_addr)
+        tx = self.make_unsigned_transaction(
+            coins=coins,
+            outputs=outputs,
+            fee=fee,
+            change_addr=change_addr)
         tx.set_rbf(rbf)
         if tx_version is not None:
             tx.version = tx_version