0003-miner-natupnp_v2.patch

diff --git a/src/natupnp_v2.erl b/src/natupnp_v2.erl
index e6ff77e..1a8faae 100644
--- a/src/natupnp_v2.erl
+++ b/src/natupnp_v2.erl
@@ -81,7 +81,7 @@ discover1(Sock, MSearch, Tries) ->
           Error
       end;
     error ->
-      discover1(Sock, MSearch, Tries - 1)
+      discover1(Sock, MSearch, Tries+1)
   end.
 
 discover_loop(Sock, Timeout) ->