diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index a1263dc95..1ffac8ec9 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -275,7 +275,7 @@ sub load {
     my $self = shift;
     
     my $dir = $Slic3r::GUI::Settings->{recent}{skein_directory} || $Slic3r::GUI::Settings->{recent}{config_directory} || '';
-    my $dialog = Wx::FileDialog->new($self, 'Choose one or more files (STL/OBJ/AMF):', $dir, "", $Slic3r::GUI::SkeinPanel::model_wildcard, wxFD_OPEN | wxFD_MULTIPLE | wxFD_FILE_MUST_EXIST);
+    my $dialog = Wx::FileDialog->new($self, 'Choose one or more files (STL/OBJ/AMF):', $dir, "", &Slic3r::GUI::SkeinPanel::MODEL_WILDCARD, wxFD_OPEN | wxFD_MULTIPLE | wxFD_FILE_MUST_EXIST);
     if ($dialog->ShowModal != wxID_OK) {
         $dialog->Destroy;
         return;