1 files changed, 2 insertions, 2 deletions
diff --git a/src/encryption/Olm.h b/src/encryption/Olm.h
index 1189fffa..e48fde67 100644
--- a/src/encryption/Olm.h
+++ b/src/encryption/Olm.h
@@ -72,7 +72,7 @@ void
 import_inbound_megolm_session(
   const mtx::events::DeviceEvent<mtx::events::msg::ForwardedRoomKey> &roomKey);
 void
-lookup_keybackup(const std::string room, const std::string session_id);
+lookup_keybackup(const std::string &room, const std::string &session_id);
 void
 download_full_keybackup();
 
@@ -119,7 +119,7 @@ send_megolm_key_to_device(const std::string &user_id,
 //! Send encrypted to device messages, targets is a map from userid to device ids or {} for all
 //! devices
 void
-send_encrypted_to_device_messages(const std::map<std::string, std::vector<std::string>> targets,
+send_encrypted_to_device_messages(const std::map<std::string, std::vector<std::string>> &targets,
                                   const mtx::events::collections::DeviceEvents &event,
                                   bool force_new_session = false);