diff --git a/binding/form_mapping.go b/binding/form_mapping.go
index 836bef00..6213641e 100644
--- a/binding/form_mapping.go
+++ b/binding/form_mapping.go
@@ -158,7 +158,8 @@ func tryToSetValue(value reflect.Value, field reflect.StructField, setter setter
 	for len(opts) > 0 {
 		opt, opts = head(opts, ",")
 		k, v := head(opt, "=")
-		if k == "default" {
+		switch k {
+		case "default":
 			setOpt.isDefaultExists = true
 			setOpt.defaultValue = v
 
@@ -169,7 +170,7 @@ func tryToSetValue(value reflect.Value, field reflect.StructField, setter setter
 					setOpt.defaultValue = strings.ReplaceAll(v, ";", ",")
 				}
 			}
-		} else if k == "parser" {
+		case "parser":
 			setOpt.parser = v
 		}
 	}