diff --git a/type.go b/type.go
index d9f9a4b..9f5d6d6 100644
--- a/type.go
+++ b/type.go
@@ -63,6 +63,9 @@ func NullString() **string {
 }
 
 func Strings(v []string) *[]string {
+	if v == nil {
+		v = []string{}
+	}
 	return &v
 }