diff --git a/cmd/flags.go b/cmd/flags.go
index 8ac09ec..50bf6b3 100644
--- a/cmd/flags.go
+++ b/cmd/flags.go
@@ -14,6 +14,13 @@ var ServeFlags = []cli.Flag{
 		EnvVars: []string{"PAGES_DOMAIN"},
 		Value:   "codeberg.page",
 	},
+	// Default branches to fetch assets from
+	&cli.StringFlag{
+		Name:    "pages-branches",
+		Usage:   "defines branches to fetch assets from",
+		EnvVars: []string{"PAGES_BRANCHES"},
+		Value:   "pages",
+	},
 	// GiteaRoot specifies the root URL of the Gitea instance, without a trailing slash.
 	&cli.StringFlag{
 		Name:    "gitea-root",