1 files changed, 2 insertions, 0 deletions
diff --git a/synapse/types.py b/synapse/types.py
index fd17ecbbe0..8ca32a1505 100644
--- a/synapse/types.py
+++ b/synapse/types.py
@@ -154,6 +154,7 @@ class StreamToken(
         "receipt_key",
         "account_data_key",
         "push_rules_key",
+        "to_device_key",
     ))
 ):
     _SEPARATOR = "_"
@@ -190,6 +191,7 @@ class StreamToken(
             or (int(other.receipt_key) < int(self.receipt_key))
             or (int(other.account_data_key) < int(self.account_data_key))
             or (int(other.push_rules_key) < int(self.push_rules_key))
+            or (int(other.to_device_key) < int(self.to_device_key))
         )
 
     def copy_and_advance(self, key, new_value):