diff --git a/plugins/ruby/ui.rb b/plugins/ruby/ui.rb
index 9dded66c2..00f73184f 100644
--- a/plugins/ruby/ui.rb
+++ b/plugins/ruby/ui.rb
@@ -66,11 +66,12 @@ module DFHack
                 world.status.reports << rep
                 world.status.announcements << rep
                 world.status.display_timer = 2000
+                yield rep if block_given?
             end
         end
 
-	# add an announcement to display in a game popup message
-	# (eg "the megabeast foobar arrived")
+        # add an announcement to display in a game popup message
+        # (eg "the megabeast foobar arrived")
         def popup_announcement(str, color=nil, bright=nil)
             pop = PopupMessage.cpp_new(:text => str)
             pop.color = color if color