diff --git a/basicswap/network/simplex.py b/basicswap/network/simplex.py
index 6972c15..a40f484 100644
--- a/basicswap/network/simplex.py
+++ b/basicswap/network/simplex.py
@@ -194,6 +194,7 @@ def encryptMsg(
         payload,
         timestamp,
         deterministic,
+        msg_valid,
         difficulty_target=difficulty_target,
     )
 
diff --git a/basicswap/util/smsg.py b/basicswap/util/smsg.py
index ca4e001..ccfc1d0 100644
--- a/basicswap/util/smsg.py
+++ b/basicswap/util/smsg.py
@@ -95,6 +95,7 @@ def smsgEncrypt(
     smsg_timestamp: int = None,
     deterministic: bool = False,
     payload_format: int = 2,
+    smsg_ttl: int = SMSG_MIN_TTL,
     difficulty_target=0x1EFFFFFF,
 ) -> bytes:
     # assert len(payload) < 128  # Requires lz4 if payload > 128 bytes
@@ -159,8 +160,6 @@ def smsgEncrypt(
     smsg_version = bytes((2, 1))
     smsg_flags = bytes((0,))
 
-    smsg_ttl = SMSG_MIN_TTL
-
     assert len(R) == 33
     assert len(mac) == 32