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-rw-r--r--libs/sys/luasrc/sys.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/libs/sys/luasrc/sys.lua b/libs/sys/luasrc/sys.lua
index d6062482c6..ad80ae5ba3 100644
--- a/libs/sys/luasrc/sys.lua
+++ b/libs/sys/luasrc/sys.lua
@@ -701,7 +701,7 @@ function wifi.channels(iface)
fd:close()
end
- if #cns == 0 then
+ if not ((pairs(cns))(cns)) then
cns = {
2.412, 2.417, 2.422, 2.427, 2.432, 2.437,
2.442, 2.447, 2.452, 2.457, 2.462