diff --git a/app.php b/app.php
index a3c83ef..4faf69f 100644
--- a/app.php
+++ b/app.php
@@ -451,6 +451,8 @@ $f3->route ('POST /compress',
             $compressionType = '/printer';
         } elseif ($compressionType === 'high') {
             $compressionType = '/screen';
+        } else {
+            $compressionType = '/screen';
         }
 
         $arrayPath = array_keys($files);