1 files changed, 4 insertions, 1 deletions
diff --git a/lib/puppet/parser/functions/to_bytes.rb b/lib/puppet/parser/functions/to_bytes.rb
index 8ff73d1..df490ea 100644
--- a/lib/puppet/parser/functions/to_bytes.rb
+++ b/lib/puppet/parser/functions/to_bytes.rb
@@ -2,6 +2,8 @@ module Puppet::Parser::Functions
   newfunction(:to_bytes, :type => :rvalue, :doc => <<-EOS
     Converts the argument into bytes, for example 4 kB becomes 4096.
     Takes a single string value as an argument.
+    These conversions reflect a layperson's understanding of
+    1 MB = 1024 KB, when in fact 1 MB = 1000 KB, and 1 MiB = 1024 KiB.
     EOS
   ) do |arguments|
 
@@ -21,7 +23,8 @@ module Puppet::Parser::Functions
     when 'M' then return (value*(1<<20)).to_i
     when 'G' then return (value*(1<<30)).to_i
     when 'T' then return (value*(1<<40)).to_i
-    when 'E' then return (value*(1<<50)).to_i
+    when 'P' then return (value*(1<<50)).to_i
+    when 'E' then return (value*(1<<60)).to_i
     else raise Puppet::ParseError, "to_bytes(): Unknown prefix #{prefix}"
     end
   end