diff --git a/scripts/telnet-encryption.nse b/scripts/telnet-encryption.nse
index a78bd12e6..983fc1c17 100644
--- a/scripts/telnet-encryption.nse
+++ b/scripts/telnet-encryption.nse
@@ -67,7 +67,7 @@ action = function(host, port)
 	local data = bin.pack("H", "FFFD26FFFB26")
 	local result
 
-	socket:set_timeout(5000)
+	socket:set_timeout(10000)
 	status, result = socket:send(data)
 	if ( not(status) ) then
 		return ("\n  ERROR: Failed to send packet: %s"):format(result)
@@ -90,4 +90,4 @@ action = function(host, port)
 		end
 	end
 	return "\n  Telnet server does not support encryption"
-end
\ No newline at end of file
+end