diff --git a/lib/facter/eypconf_generic_id.rb b/lib/facter/eypconf_generic_id.rb
index 7b17528..d9941a2 100644
--- a/lib/facter/eypconf_generic_id.rb
+++ b/lib/facter/eypconf_generic_id.rb
@@ -1,37 +1,39 @@
-Dir.entries("/opt/eypconf/id").select {|f| !File.directory? f}.each do |i|
+if File.exists?('/opt/eypconf/id') then
+  Dir.entries("/opt/eypconf/id").select {|f| !File.directory? f}.each do |i|
 
-  genetic_id = Facter::Util::Resolution.exec("bash -c 'cat /opt/eypconf/id/#{i}'").to_s
+    genetic_id = Facter::Util::Resolution.exec("bash -c 'cat /opt/eypconf/id/#{i}'").to_s
 
-  if i[0]=='.'
-    fact_name=i[1..-1]
-  else
-    fact_name=i
-  end
-
-  unless genetic_id.nil? or genetic_id.empty?
-    Facter.add("eypconf_#{fact_name}") do
-        setcode do
-          genetic_id
-        end
+    if i[0]=='.' then
+      fact_name=i[1..-1]
+    else
+      fact_name=i
     end
 
-    Facter.add("eypconf_#{fact_name}_uppercase") do
-        setcode do
-          genetic_id.upcase
-        end
-    end
+    unless genetic_id.nil? or genetic_id.empty?
+      Facter.add("eypconf_#{fact_name}") do
+          setcode do
+            genetic_id
+          end
+      end
 
-    Facter.add("eypconf_#{fact_name}_lowercase") do
-        setcode do
-          genetic_id.downcase
-        end
-    end
+      Facter.add("eypconf_#{fact_name}_uppercase") do
+          setcode do
+            genetic_id.upcase
+          end
+      end
 
-    Facter.add("eypconf_#{fact_name}_source") do
-        setcode do
-          i
-        end
+      Facter.add("eypconf_#{fact_name}_lowercase") do
+          setcode do
+            genetic_id.downcase
+          end
+      end
+
+      Facter.add("eypconf_#{fact_name}_source") do
+          setcode do
+            i
+          end
+      end
     end
-  end
 
+  end
 end