diff --git a/confluent_server/confluent/osimage.py b/confluent_server/confluent/osimage.py
index 3d5f50de..5297424c 100644
--- a/confluent_server/confluent/osimage.py
+++ b/confluent_server/confluent/osimage.py
@@ -183,7 +183,7 @@ def update_boot_linux(profiledir, profile, label):
     grubcfgpath = find_glob(profiledir + '/boot', 'grub.cfg')
     if not grubcfgpath:
         grubcfgpath = [
-                profiledir + '/boot/efi/boot/grub.cfg'
+                profiledir + '/boot/efi/boot/grub.cfg',
                 profiledir + '/boot/boot/grub.cfg'
                 ]
     for grubcfgpth in grubcfgpath: