diff --git a/modules/twainui/hg_settingdialog.cpp b/modules/twainui/hg_settingdialog.cpp
index 3f0153bd..84e14855 100644
--- a/modules/twainui/hg_settingdialog.cpp
+++ b/modules/twainui/hg_settingdialog.cpp
@@ -816,7 +816,7 @@ void hg_settingdialog::createUI()
 //                iniRead(md5(opt->title), id, lineEdit);
 
                 bool readOnly = IS_CAP_READONLY(opt->cap);
-                lineEdit->setReadOnly(readOnly);
+                lineEdit->setEnabled(!readOnly);
 
                 lineEdit->setText(QString::fromStdString(cur_val));
                 connect(lineEdit, SIGNAL(textChanged(const QString&)), this, SLOT(slot_lineEditInput()));