diff --git a/fedora.conf b/fedora.conf
index 1ba924e..b6a7bab 100644
--- a/fedora.conf
+++ b/fedora.conf
@@ -839,8 +839,8 @@ ostree_installer = [
                 "ostree_osname=fedora",
                 "ostree_oskey=fedora-33-primary",
                 "ostree_contenturl=mirrorlist=https://ostree.fedoraproject.org/mirrorlist",
-                "ostree_install_ref=fedora/f33/aarch64/silverblue",
-                "ostree_update_ref=fedora/f33/aarch64/silverblue",
+                "ostree_install_ref=fedora/33/aarch64/silverblue",
+                "ostree_update_ref=fedora/33/aarch64/silverblue",
                 "flatpak_remote_name=fedora",
                 # using registry-no-cdn avoids redirects to the CDN;
                 # needed because of network restrictions on koji runroot