diff --git a/src/lib/Hydra/View/Plain.pm b/src/lib/Hydra/View/Plain.pm
index 868c74f8..452a3d46 100644
--- a/src/lib/Hydra/View/Plain.pm
+++ b/src/lib/Hydra/View/Plain.pm
@@ -7,7 +7,9 @@ use base 'Catalyst::View::Download::Plain';
 sub process {
     my ($self, $c) = @_;
     $c->clear_encoding;
-    $c->response->content_type('text/plain; charset=utf-8') if $c->response->content_type() eq "text/plain";
+    my $type = $c->response->content_type();
+    $c->response->content_type('text/plain; charset=utf-8')
+        if !$type || $c->response->content_type() eq "text/plain";
     $c->response->body($c->stash->{plain}->{data});
 }