diff --git a/gestion/gen_confs/wifi.py b/gestion/gen_confs/wifi.py
index 9b1abac2..7c355e6e 100755
--- a/gestion/gen_confs/wifi.py
+++ b/gestion/gen_confs/wifi.py
@@ -28,7 +28,7 @@ class conf_wifi(gen_config) :
 [General]
 Listen-on=              138.231.148.1
 Retransmits=            5
-Exchange-max-time=      29
+Exchange-max-time=      40
 Logverbose=             1
 Loglevel=               A=90
 Check-interval=         60