diff --git a/webv4/lib/locale/en_us.ini b/webv4/lib/locale/en_us.ini
index 94be526bf2d0d37d6faa3467061e9cc0deb88ce5..c7391e85be75cd9fd9ea9fd21aabd2a8140ff285 100644
--- a/webv4/lib/locale/en_us.ini
+++ b/webv4/lib/locale/en_us.ini
@@ -90,6 +90,7 @@ button_thread_previous_page = Previous page
 button_thread_next_page = Next page
 button_thread_forward_pages = Jump %s page(s) forward
 button_thread_last_page = Last page
+button_block_sender = Block Sender
 
 [sidebar_node_list]
 label_title = Who's Online