diff --git a/bootstrap_test.go b/bootstrap_test.go
index 980870d..c1ad8d0 100644
--- a/bootstrap_test.go
+++ b/bootstrap_test.go
@@ -40,6 +40,8 @@ func bootstrap(t *testing.T, driver, dsn string) {
 		if _, err := db.Exec(psql_sql); err != nil {
 			t.Fatal(err)
 		}
+	default:
+		panic("unrecognized driver: " + driver)
 	}
 	if _, err := db.Exec(inserts); err != nil {
 		t.Fatal(err)