diff --git a/lib/WebGUI/Config.pm b/lib/WebGUI/Config.pm
index 828406e01..403083e3f 100644
--- a/lib/WebGUI/Config.pm
+++ b/lib/WebGUI/Config.pm
@@ -159,9 +159,7 @@ around new => sub {
     my $class = shift;
     my $filename = shift;
     my $noCache = shift;
-    if (!File::Spec->file_name_is_absolute($filename)) {
-        $filename = Cwd::realpath(File::Spec->catfile(WebGUI::Paths->configBase, $filename));
-    }
+    $filename = Cwd::realpath(File::Spec->rel2abs($filename, WebGUI::Paths->configBase));
     if (exists $config{$filename}) {
         return $config{$filename};
     }
diff --git a/lib/WebGUI/Session.pm b/lib/WebGUI/Session.pm
index c98983d60..07e2f5852 100644
--- a/lib/WebGUI/Session.pm
+++ b/lib/WebGUI/Session.pm
@@ -298,7 +298,7 @@ Creates a new session using the same WebGUI root, config file, and user.
 sub duplicate {
     my $self = shift;
     my $newSession = WebGUI::Session->open(
-        $self->config->getFilename,
+        $self->config,
         undef,
         undef,
         $self->getId,