diff --git a/common/flatpak-utils.c b/common/flatpak-utils.c
index 0e6b028fe..93fa14de1 100644
--- a/common/flatpak-utils.c
+++ b/common/flatpak-utils.c
@@ -6750,7 +6750,8 @@ flatpak_pull_from_bundle (OstreeRepo   *repo,
   if (metadata == NULL)
     return FALSE;
 
-  metadata_size = strlen (metadata_contents);
+  if (metadata_contents != NULL)
+    metadata_size = strlen (metadata_contents);
 
   if (!ostree_repo_get_remote_option (repo, remote, "collection-id", NULL,
                                       &remote_collection_id, NULL))