diff --git a/pglab/ParamTypeDelegate.cpp b/pglab/ParamTypeDelegate.cpp
index b31a47f..7c1fda0 100644
--- a/pglab/ParamTypeDelegate.cpp
+++ b/pglab/ParamTypeDelegate.cpp
@@ -35,7 +35,7 @@ void ParamTypeDelegate::setEditorData(QWidget *editor, const QModelIndex &index)
 			auto data = index.data();
 			if (data.canConvert<QString>()) {
 				QModelIndexList indexes = m_typeSelectionModel->match(
-						m_typeSelectionModel->index(0, 1), Qt::DisplayRole, data, 1, Qt::MatchFlags( Qt::MatchExactly ));
+						m_typeSelectionModel->index(0, 0), Qt::DisplayRole, data, 1, Qt::MatchFlags( Qt::MatchExactly ));
 				if (!indexes.empty()) {
 					cmbbx->setCurrentIndex(indexes.at(0).row());
 				}