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-rw-r--r--lib/pure/asyncftpclient.nim4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/pure/asyncftpclient.nim b/lib/pure/asyncftpclient.nim
index 8558ad10d..96f54b49e 100644
--- a/lib/pure/asyncftpclient.nim
+++ b/lib/pure/asyncftpclient.nim
@@ -61,8 +61,8 @@ proc pasv(ftp: AsyncFtpClient) {.async.} =
   assertReply(pasvMsg, "227")
   var betweenParens = captureBetween(pasvMsg.string, '(', ')')
   var nums = betweenParens.split(',')
-  var ip = nums[0.. -3]
-  var port = nums[-2.. -1]
+  var ip = nums[0.. ^3]
+  var port = nums[^2.. ^1]
   var properPort = port[0].parseInt()*256+port[1].parseInt()
   await ftp.dsock.connect(ip.join("."), Port(properPort.toU16))
   ftp.dsockConnected = true