diff --git a/letter_display.lua b/letter_display.lua
index c3874f4..be4e6c3 100644
--- a/letter_display.lua
+++ b/letter_display.lua
@@ -38,6 +38,7 @@ function handle_message(len, message, topic_len, topic_name)
             playing = true
         elseif message == "WAITING" then
             playing = false
+            mot = ""
         end
     end
 end