diff --git a/lib/upload.php b/lib/upload.php
index 16950dd..3b0b1ce 100644
--- a/lib/upload.php
+++ b/lib/upload.php
@@ -183,7 +183,7 @@ function fileExists(int $fileId, bool $onlyMine = true): bool|string
     if (!$onlyMine && !isAdmin()) {
         $onlyMine = true;
     }
-    $query = 'SELECT Path FROM Files WHERE ID = ?' . $onlyMine ? ' AND UploadedBy = ?' : '';
+    $query = 'SELECT Path FROM Files WHERE ID = ?' . ($onlyMine ? ' AND UploadedBy = ?' : '');
     $stmtfileexists = $mysqli->prepare($query);
     if ($onlyMine) {
         $stmtfileexists->bind_param('ii', $fileId, $_SESSION['id']);