diff --git a/libsearch/index/file-search-plugin.cpp b/libsearch/index/file-search-plugin.cpp
index 558f8e8..eba1a9c 100644
--- a/libsearch/index/file-search-plugin.cpp
+++ b/libsearch/index/file-search-plugin.cpp
@@ -92,8 +92,7 @@ void FileSearchPlugin::openAction(int actionkey, QString key, int type)
         if(FileUtils::openFile(key) == -1) {
             QMessageBox msgBox(m_detailPage);
             msgBox.setWindowModality(Qt::WindowModal);
-            msgBox.setStandardButtons(QMessageBox::Yes);
-            msgBox.setButtonText(QMessageBox::Yes, tr("Yes"));
+            msgBox.addButton(tr("Yes"), QMessageBox::YesRole);
             msgBox.setIcon(QMessageBox::Information);
             msgBox.setText(tr("Can not get a default application for opening %1.").arg(key));
             msgBox.exec();
@@ -204,8 +203,7 @@ void FileSearchPlugin::initDetailPage()
         if(FileUtils::openFile(m_currentActionKey) == -1) {
             QMessageBox msgBox(m_detailPage);
             msgBox.setWindowModality(Qt::WindowModal);
-            msgBox.setStandardButtons(QMessageBox::Yes);
-            msgBox.setButtonText(QMessageBox::Yes, tr("Yes"));
+            msgBox.addButton(tr("Yes"), QMessageBox::YesRole);
             msgBox.setIcon(QMessageBox::Information);
             msgBox.setText(tr("Can not get a default application for opening %1.").arg(m_currentActionKey));
             msgBox.exec();