diff --git a/app.php b/app.php
index d5f8881..83dd30b 100644
--- a/app.php
+++ b/app.php
@@ -401,6 +401,8 @@ $f3->route ('POST /compress',
             $compressionType = '/printer';
         } elseif ($compressionType === 'high') {
             $compressionType = '/screen';
+        } else {
+            $compressionType = '/screen';
         }
 
         $arrayPath = array_keys($files);