diff --git a/rql.go b/rql.go
index b42c7bb..1dad689 100644
--- a/rql.go
+++ b/rql.go
@@ -275,7 +275,7 @@ func (p *Parser) parseField(sf reflect.StructField) error {
 			p.Log("Ignoring unknown option %q in struct tag", opt)
 		}
 	}
-	filterOps := make([]Op, 0)
+	var filterOps []Op
 	switch typ := indirect(sf.Type); typ.Kind() {
 	case reflect.Bool:
 		f.ValidateFn = validateBool