diff --git a/lib/Lutim/Controller/Image.pm b/lib/Lutim/Controller/Image.pm
index d56ba4c..c7d6ecb 100644
--- a/lib/Lutim/Controller/Image.pm
+++ b/lib/Lutim/Controller/Image.pm
@@ -288,7 +288,7 @@ sub add {
     my $wm        = $c->param('watermark');
 
     if ($c->config('disable_api')) {
-        $unauthorized_api = (!defined($c->req->headers->referrer) || Mojo::URL->new($c->req->headers->referrer)->host ne Mojo::URL->new('https://'.$c->req->headers->host)->host);
+        my $unauthorized_api = (!defined($c->req->headers->referrer) || Mojo::URL->new($c->req->headers->referrer)->host ne Mojo::URL->new('https://'.$c->req->headers->host)->host);
         if ($unauthorized_api) {
             my $msg = $c->l('Sorry, the API is disabled');
             $c->app->log->info('Blocked API call for '.$c->ip(1));