enable changing values to 0

diff --git a/lib/MojoFacets/Config.pm b/lib/MojoFacets/Config.pm
index c1e4273..14f8c51 100644 (file)
--- a/lib/MojoFacets/Config.pm
+++ b/lib/MojoFacets/Config.pm
@@ -15,7 +15,8 @@ sub index {
        ));
 
        foreach my $name ( @config ) {
-               if ( my $val = $self->param($name) ) {
+               my $val = $self->param($name);
+               if ( defined $val ) {
                        $ENV{$name} = $val;
                        warn "$name = $val\n";
                }