diff --git a/electrum/lnrouter.py b/electrum/lnrouter.py
index c36ab547c..6aae6954f 100644
--- a/electrum/lnrouter.py
+++ b/electrum/lnrouter.py
@@ -175,7 +175,7 @@ class LNPathFinder(Logger):
         if my_channels is None: my_channels = []
         my_channels = {chan.short_channel_id: chan for chan in my_channels}
 
-        # FIXME paths cannot be longer than 21 edges (onion packet)...
+        # FIXME paths cannot be longer than 20 edges (onion packet)...
 
         # run Dijkstra
         # The search is run in the REVERSE direction, from nodeB to nodeA,
diff --git a/electrum/lnutil.py b/electrum/lnutil.py
index 20369c2be..92098ce97 100644
--- a/electrum/lnutil.py
+++ b/electrum/lnutil.py
@@ -692,7 +692,7 @@ def generate_keypair(ln_keystore: BIP32_KeyStore, key_family: LnKeyFamily, index
 
 
 NUM_MAX_HOPS_IN_PAYMENT_PATH = 20
-NUM_MAX_EDGES_IN_PAYMENT_PATH = NUM_MAX_HOPS_IN_PAYMENT_PATH + 1
+NUM_MAX_EDGES_IN_PAYMENT_PATH = NUM_MAX_HOPS_IN_PAYMENT_PATH
 
 
 class ShortChannelID(bytes):