1 files changed, 4 insertions, 0 deletions
diff --git a/fact.rb b/fact.rb
index 0c24867..0f4114e 100644
--- a/fact.rb
+++ b/fact.rb
@@ -12,6 +12,10 @@ module Puppet::Parser::Functions
 
     fact = arguments[0]
 
+    if not fact.is_a?(String)
+      raise(Puppet::ParseError, 'fact(): Requires fact name to be a string')
+    end
+
     raise(Puppet::ParseError, 'fact(): You must provide ' +
       'fact name') if fact.empty?