diff --git a/main_test.go b/main_test.go
index 396365e..4ae2a1f 100644
--- a/main_test.go
+++ b/main_test.go
@@ -42,6 +42,7 @@ func TestMain(m *testing.M) {
 	}
 	if os.Getenv("RUN_GARBLE_MAIN") == "true" {
 		main()
+		return
 	}
 	testscript.Main(garbleMain{m}, map[string]func(){
 		"garble": main,