diff --git a/site.conf b/site.conf
index f238c1f8ddca3442b994bac6e67a9714749e6507..e5a60a0c620f26c1beb547ac7f65e288c05d4eac 100644
--- a/site.conf
+++ b/site.conf
@@ -39,7 +39,7 @@
 
     wifi5 = {
         channel = 44,
-        outdoor_chanlist = "100-140",
+        outdoor_chanlist = "100-138",
         ap = {
             ssid = 'Freifunk',
             owe_ssid = 'owe.freifunk-stuttgart.de',