diff --git a/conference.py b/conference.py
index 2aa15ad..d360c18 100755
--- a/conference.py
+++ b/conference.py
@@ -16,7 +16,7 @@ default_logfile = '/var/log/asterisk/conference.agi.log'
 default_lang = 'fr-FR'
 default_intkey = "any"
 default_result_varname = "CONFID"
-default_speed = 1.2
+default_speed = 1.1
 default_cachedir = '/var/cache/asterisk/picotts'
 default_read_timeout = 3000
 default_read_maxdigits = 20