diff --git a/lib/Slic3r/Format/STL.pm b/lib/Slic3r/Format/STL.pm
index 8ebc56787a..d53a61ad36 100644
--- a/lib/Slic3r/Format/STL.pm
+++ b/lib/Slic3r/Format/STL.pm
@@ -7,8 +7,11 @@ sub read_file {
     my $self = shift;
     my ($file) = @_;
     
+    my $path = Slic3r::encode_path($file);
+    die "Failed to open $file\n" if !-e $path;
+    
     my $mesh = Slic3r::TriangleMesh->new;
-    $mesh->ReadSTLFile(Slic3r::encode_path($file));
+    $mesh->ReadSTLFile($path);
     $mesh->repair;
     
     my $model = Slic3r::Model->new;
diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index 6cfc548565..bc13ed44b3 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -382,10 +382,12 @@ sub load_file {
     my $model = eval { Slic3r::Model->read_from_file($input_file) };
     Slic3r::GUI::show_error($self, $@) if $@;
     
-    $self->load_model_objects(@{$model->objects});
+    if (defined $model) {
+        $self->load_model_objects(@{$model->objects});
+        $self->statusbar->SetStatusText("Loaded " . basename($input_file));
+    }
     
     $process_dialog->Destroy;
-    $self->statusbar->SetStatusText("Loaded " . basename($input_file));
 }
 
 sub load_model_objects {