diff --git a/site.conf b/site.conf
index 01e8059..7b0b10a 100644
--- a/site.conf
+++ b/site.conf
@@ -17,7 +17,7 @@
   wifi24 = {
     ssid = 'muenchen.freifunk.net',
     channel = 6,
-    htmode = 'HT40',
+    htmode = 'HT20',
     mesh_ssid = 'mesh.ffmuc.welcome',
     mesh_bssid = '02:0E:8E:1E:61:18',
     mesh_mcast_rate = 12000,