diff --git a/integration/main_test.go b/integration/main_test.go
index 06d553f..c10dcdb 100644
--- a/integration/main_test.go
+++ b/integration/main_test.go
@@ -38,6 +38,7 @@ func startServer(ctx context.Context) error {
 	}
 	setEnvIfNotSet("ACME_API", "https://acme.mock.directory")
 	setEnvIfNotSet("PAGES_DOMAIN", "localhost.mock.directory")
+	setEnvIfNotSet("PAGES_BRANCHES", "pages,main")
 	setEnvIfNotSet("RAW_DOMAIN", "raw.localhost.mock.directory")
 	setEnvIfNotSet("PORT", "4430")