diff --git a/electrum/lnutil.py b/electrum/lnutil.py
index 85e9677b7..e461ddb21 100644
--- a/electrum/lnutil.py
+++ b/electrum/lnutil.py
@@ -1192,10 +1192,11 @@ class LnFeatures(IntFlag):
         return (flag in our_flags
                 or get_ln_flag_pair_of_bit(flag) in our_flags)
 
-    def get_names(self):
+    def get_names(self) -> Sequence[str]:
         r = []
         for flag in list_enabled_bits(self):
-            r.append(LnFeatures(1 << flag).name)
+            feature_name = LnFeatures(1 << flag).name
+            r.append(feature_name or f"bit_{flag}")
         return r