diff --git a/qad/widgets/ecombobox.cpp b/qad/widgets/ecombobox.cpp
index 30def57..db2f316 100644
--- a/qad/widgets/ecombobox.cpp
+++ b/qad/widgets/ecombobox.cpp
@@ -34,7 +34,6 @@ EComboBox::EComboBox(QWidget * parent): QComboBox(parent) {
 	iv.setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
 	iv.setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
 	iv.setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
-	iv.setDragDropMode(QAbstractItemView::InternalMove);
 	iv.setMinimumHeight(100);
 	icon.setPixmap(QPixmap(":/icons/edit-find.png"));
 	icon.setScaledContents(true);
@@ -64,6 +63,7 @@ QSize EComboBox::sizeHint() const {
 
 
 void EComboBox::showPopup() {
+	iv.setDragDropMode(isEditable() ? QAbstractItemView::InternalMove : QAbstractItemView::NoDragDrop);
 	filterChanged(filter.text(), true);
 	QComboBox::showPopup();
 	QRect r = iv.header()->rect();