diff --git a/cast_test.go b/cast_test.go
index 6595555..8187b47 100644
--- a/cast_test.go
+++ b/cast_test.go
@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"html/template"
 	"net/url"
+	"reflect"
 	"testing"
 	"time"