diff --git a/ChangeLog b/ChangeLog
index 3be82ca9..4d63ddfd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -35,6 +35,7 @@ version 3.09 ()
     * Don't assume entity index 1 is the chassis and has serial in Layer3
     * Capture serial number on newer Aruba devices
     * munge_bits() correctly unpacks BITS
+    * Data values of zero are now sent to munge method instead of skipped
 
 version 3.08 (2013-10-22)
 
diff --git a/Info.pm b/Info.pm
index 64549d16..165c4618 100644
--- a/Info.pm
+++ b/Info.pm
@@ -4267,7 +4267,7 @@ sub _munge {
         my %munged;
         foreach my $key ( keys %$data ) {
             my $value = $data->{$key};
-            next unless $value;
+            next unless defined $value;
             $munged{$key} = $subref->($value);
         }
         return \%munged;