diff --git a/base_layer/contacts/src/chat_client/src/client.rs b/base_layer/contacts/src/chat_client/src/client.rs
index 6ac47d6a8f7..fe11eac30f2 100644
--- a/base_layer/contacts/src/chat_client/src/client.rs
+++ b/base_layer/contacts/src/chat_client/src/client.rs
@@ -215,7 +215,7 @@ impl ChatClient for Client {
     async fn send_read_receipt(&self, message: Message) -> Result<(), Error> {
         if let Some(mut contacts_service) = self.contacts.clone() {
             contacts_service
-                .send_read_confirmation(message.receiver_address.clone(), message.message_id)
+                .send_read_confirmation(message.sender_address.clone(), message.message_id)
                 .await?;
         }
 
diff --git a/base_layer/wallet_ffi/wallet.h b/base_layer/wallet_ffi/wallet.h
index 6c076980e6f..d9bd826e780 100644
--- a/base_layer/wallet_ffi/wallet.h
+++ b/base_layer/wallet_ffi/wallet.h
@@ -3168,7 +3168,7 @@ unsigned long long wallet_send_transaction(struct TariWallet *wallet,
                                            unsigned long long fee_per_gram,
                                            const char *message,
                                            bool one_sided,
-                                           unsigned long long payment_id,
+                                           const char *payment_id_string,
                                            int *error_out);
 
 /**