diff --git a/server.py b/server.py
index b78bb48..a6c4cfe 100644
--- a/server.py
+++ b/server.py
@@ -118,7 +118,7 @@ def reset_color():
     change_color('Z', 'g')
     release_keys()
 
-def beep(code='ff'):
+def beep(code='fff'):
     write_report(NULL_CHAR * 2 + chr(0x29) + NULL_CHAR * 5)
     release_keys()
     for char in code: