diff --git a/procio.cr b/procio.cr
index 0a90def..ba74b0a 100644
--- a/procio.cr
+++ b/procio.cr
@@ -1,6 +1,6 @@
 dir = ENV.fetch("PROCIO_DIR", "/proc")
-hostname = ENV.fetch("PROCIO_HOSTNAME", "/proc")
 result = {} of String => Hash(Symbol, UInt64)
+time = Time.local.to_s("%s%9N")
 
 Dir.entries(dir).each do |entry|
   entry =~ /^\d+$/ || next 
@@ -17,8 +17,6 @@ Dir.entries(dir).each do |entry|
   end
 end
 
-time = Time.local.to_s("%s%9N")
-
 result.each do |comm, v|
   if v[:r] + v[:w] > 0
     puts %(procio comm="#{comm}" read_bytes=#{v[:r]},write_bytes=#{v[:w]} #{time})