diff --git a/schema/field.go b/schema/field.go
index 224bb67d..c24ff943 100644
--- a/schema/field.go
+++ b/schema/field.go
@@ -56,7 +56,7 @@ type Field struct {
 	BindNames              []string
 	DataType               DataType
 	GORMDataType           DataType
-	CustomDataType         DataType
+	IsTaggedType           bool
 	PrimaryKey             bool
 	AutoIncrement          bool
 	AutoIncrementIncrement int64
@@ -311,7 +311,7 @@ func (schema *Schema) ParseField(fieldStruct reflect.StructField) *Field {
 		default:
 			field.DataType = DataType(val)
 		}
-		field.CustomDataType = DataType(val)
+		field.IsTaggedType = true
 	}
 
 	if field.Size == 0 {
diff --git a/schema/schema_test.go b/schema/schema_test.go
index a1850553..2b8b816b 100644
--- a/schema/schema_test.go
+++ b/schema/schema_test.go
@@ -23,9 +23,9 @@ func TestParseCustomTypeSchema(t *testing.T) {
 	}
 
 	fields := []schema.Field{
-		{Name: "Date", DBName: "date", BindNames: []string{"Date"}, DataType: "date", CustomDataType: "date", Tag: `gorm:"type:date"`, TagSettings: map[string]string{"TYPE": "date"}},
-		{Name: "Time", DBName: "time", BindNames: []string{"Time"}, DataType: schema.Time, CustomDataType: "time", Tag: `gorm:"type:time"`, TagSettings: map[string]string{"TYPE": "time"}},
-		{Name: "DateTime", DBName: "date_time", BindNames: []string{"DateTime"}, DataType: schema.Time},
+		{Name: "Date", DBName: "date", BindNames: []string{"Date"}, DataType: "date", IsTaggedType: true, Tag: `gorm:"type:date"`, TagSettings: map[string]string{"TYPE": "date"}},
+		{Name: "Time", DBName: "time", BindNames: []string{"Time"}, DataType: schema.Time, IsTaggedType: true, Tag: `gorm:"type:time"`, TagSettings: map[string]string{"TYPE": "time"}},
+		{Name: "DateTime", DBName: "date_time", BindNames: []string{"DateTime"}, DataType: schema.Time, IsTaggedType: false},
 	}
 	for i := range fields {
 		checkSchemaField(t, product, &fields[i], func(field *schema.Field) {