diff --git a/python/src/trezorlib/debuglink.py b/python/src/trezorlib/debuglink.py
index c0822c3795..d0a403b060 100644
--- a/python/src/trezorlib/debuglink.py
+++ b/python/src/trezorlib/debuglink.py
@@ -1032,7 +1032,6 @@ class SessionDebugWrapper(Session):
         msg = self._session._read()
         if isinstance(self.client, TrezorClientDebugLink):
             msg = self.client._filter_message(msg)
-            self.client.notify_read(msg)
         return msg
 
     def resume(self) -> None:
diff --git a/python/src/trezorlib/transport/session.py b/python/src/trezorlib/transport/session.py
index 2392f3eed6..3c40440d66 100644
--- a/python/src/trezorlib/transport/session.py
+++ b/python/src/trezorlib/transport/session.py
@@ -200,7 +200,13 @@ class SessionV1(Session):
         assert self.client._last_active_session is self
         if t.TYPE_CHECKING:
             assert isinstance(self.client.protocol, ProtocolV1Channel)
-        return self.client.protocol.read()
+        resp = self.client.protocol.read()
+
+        from ..debuglink import TrezorClientDebugLink
+
+        if isinstance(self.client, TrezorClientDebugLink):
+            self.client.notify_read(resp)
+        return resp
 
     def init_session(self, derive_cardano: bool | None = None) -> None:
         if self.id == b"":