diff --git a/shared/simplestreams/products.go b/shared/simplestreams/products.go
index ef7e1e45c1c4..a07e4d5b1b5b 100644
--- a/shared/simplestreams/products.go
+++ b/shared/simplestreams/products.go
@@ -10,7 +10,7 @@ import (
 	"github.com/canonical/lxd/shared/osarch"
 )
 
-var lxdCompatCombinedItems = []string{"lxd_combined.tar.xz", "incus_combined.tar.xz"}
+var lxdCompatCombinedItems = []string{"lxd_combined.tar.gz", "incus_combined.tar.gz"}
 var lxdCompatItems = []string{"lxd.tar.xz", "incus.tar.xz"}
 
 // Products represents the base of download.json.