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-rw-r--r--src/plugins/lua/once_received.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/plugins/lua/once_received.lua b/src/plugins/lua/once_received.lua
index c3a542dea..aa17315ef 100644
--- a/src/plugins/lua/once_received.lua
+++ b/src/plugins/lua/once_received.lua
@@ -41,7 +41,7 @@ local check_authed = false
local function check_quantity_received (task)
local recvh = task:get_received_headers()
- local nreceived = fun.reduce(function(acc, rcvd)
+ local nreceived = fun.reduce(function(acc, _)
return acc + 1
end, 0, fun.filter(function(h)
return not h['artificial']