diff --git a/site.conf b/site.conf
index 3167ed168f8ccd21d70d6af52a304f4c9d2e25ea..a611acd35b9702e5f3387875b0610665ed5562cd 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',