diff --git a/lib/upload.php b/lib/upload.php
index a4aec4b..d632504 100644
--- a/lib/upload.php
+++ b/lib/upload.php
@@ -183,22 +183,21 @@ function fileExists(int $fileId, bool $onlyMine = true): bool|string
     if (!$onlyMine && !isModerator()) {
         $onlyMine = true;
     }
+    $query = 'SELECT ID, Path FROM Files WHERE ID = ?' . ($onlyMine ? ' AND UploadedBy = ?' : '');
+    $stmtfileexists = $mysqli->prepare($query);
     if ($onlyMine) {
-        $stmtfileexists = $mysqli->prepare('SELECT ID, Path FROM Files WHERE ID = ? AND UploadedBy = ?');
-        $stmtfileexists->bind_param('ii', $fileId, $_SESSION['id']);
+        $stmtfileexists->bind_param('ii', $fileId, $_SESSION['ID']);
     } else {
-        $stmtfileexists = $mysqli->prepare('SELECT ID, Path FROM Files WHERE ID = ?');
         $stmtfileexists->bind_param('i', $fileId);
     }
     $filePath = "";
     $id = null;
-    $stmtfileexists->execute();
     $stmtfileexists->bind_result($id, $filePath);
+    $stmtfileexists->execute();
     $stmtfileexists->fetch();
-    if ($stmtfileexists->num_rows > 0) {
+    if ($id != null) {
         return $filePath;
     } else {
-        echo "id: $id a path: $filePath";
         return false;
     }
 }