diff --git a/oracle.go b/oracle.go
index 5d6d4a2..2bcdff9 100644
--- a/oracle.go
+++ b/oracle.go
@@ -168,7 +168,7 @@ func (d Dialector) DataTypeOf(field *schema.Field) string {
 		if val, ok := field.TagSettings["AUTOINCREMENT"]; ok && utils.CheckTruth(val) {
 			sqlType += " GENERATED BY DEFAULT AS IDENTITY"
 		}
-	case schema.String:
+	case schema.String, "VARCHAR2":
 		size := field.Size
 		defaultSize := d.DefaultStringSize