diff --git a/network/lib/facter/ipv6enabled.rb b/network/lib/facter/ipv6enabled.rb
index 12fec8e..05ba750 100644
--- a/network/lib/facter/ipv6enabled.rb
+++ b/network/lib/facter/ipv6enabled.rb
@@ -5,7 +5,7 @@
 Facter.add(:ipv6enabled) do
   setcode do
     out = Facter::Util::Resolution.exec('ping6 -c 1 ::1 2> /dev/null | egrep " [0\.]*% packet loss"')
-    if out.empty?
+    if out.nil? or out.empty?
       "false"
     else
       "true"