diff --git a/httpserver-static.lua b/httpserver-static.lua
index d7cb86f..df65c26 100644
--- a/httpserver-static.lua
+++ b/httpserver-static.lua
@@ -23,6 +23,7 @@ return function (connection, req, args)
          connection:send(chunk)
          bytesSent = bytesSent + #chunk
          chunk = nil
+         tmr.wdclr() -- loop can take a while for long files. tmr.wdclr() prevent watchdog to restart module
          --print("Sent" .. args.file, bytesSent)
       end
    end