diff --git a/static/js/narrow.js b/static/js/narrow.js
index 3fc232a002..a685cd2763 100644
--- a/static/js/narrow.js
+++ b/static/js/narrow.js
@@ -196,6 +196,7 @@ exports.activate = function (raw_operators, opts) {
                 // narrowing
                 message_viewport.set_message_offset(then_select_offset);
             }
+            unread_ops.process_visible();
         }
     }