1 files changed, 1 insertions, 0 deletions
diff --git a/lib/facter.rb b/lib/facter.rb
index ac06f68..46e2e99 100644
--- a/lib/facter.rb
+++ b/lib/facter.rb
@@ -180,6 +180,7 @@ module Facter
 
     def self.warn(msg)
         if Facter.debugging? and msg and not msg.empty?
+            msg = [msg] unless msg.respond_to? :each
             msg.each { |line| Kernel.warn line }
         end
     end