diff --git a/cookbooks/consul/attributes.rb b/cookbooks/consul/attributes.rb
index dd163ed..a2627d1 100644
--- a/cookbooks/consul/attributes.rb
+++ b/cookbooks/consul/attributes.rb
@@ -3,9 +3,9 @@
 # -------------------------------------------
 case run_command('grep VERSION_ID /etc/os-release | awk -F\" \'{print $2}\'').stdout.chomp
 when "18.04"
-  cmd = 'LANG=C /sbin/ifconfig | grep "inet " | grep 192.168 | cut -d" " -f10'
+  cmd = 'LANG=C /sbin/ifconfig | grep "inet " | grep -v -E "(127|172)" | cut -d" " -f10'
 else
-  cmd = 'LANG=C /sbin/ifconfig | grep "inet addr" | grep 192.168 | awk "{print $2;}" | cut -d: -f2 | cut -f 1 -d " " | tail -1'
+  cmd = 'LANG=C /sbin/ifconfig | grep "inet addr" | grep -v -E "(127|172)" | awk "{print $2;}" | cut -d: -f2 | cut -f 1 -d " " | tail -1'
 end
 ipaddr = run_command(cmd).stdout.chomp