diff --git a/files/www/cgi-bin/setup b/files/www/cgi-bin/setup
index a4ee1985..4b30219c 100755
--- a/files/www/cgi-bin/setup
+++ b/files/www/cgi-bin/setup
@@ -68,7 +68,7 @@ do
 end
 for i = -4,11
 do
-    rf_channel_map["2400"][i + (i <= 0 and 3 or 2)] = { label = i .. " (" .. (2407 + i * 5) .. ")", number = i, frequency = 2407 + i * 5 }
+    rf_channel_map["2400"][i + (i <= 0 and 5 or 4)] = { label = i .. " (" .. (2407 + i * 5) .. ")", number = i, frequency = 2407 + i * 5 }
 end
 for i = 76,99
 do