diff --git a/h5p.classes.php b/h5p.classes.php
index 23db57d..4badcc6 100644
--- a/h5p.classes.php
+++ b/h5p.classes.php
@@ -1468,7 +1468,7 @@ class H5PStorage {
    *  The main id of the new content (used in frameworks that support revisioning)
    */
   public function copyPackage($contentId, $copyFromId, $contentMainId = NULL) {
-    $this->h5pC->fs->cloneContent($contentId, $newContentId);
+    $this->h5pC->fs->cloneContent($copyFromId, $contentId);
     $this->h5pF->copyLibraryUsage($contentId, $copyFromId, $contentMainId);
   }
 }