diff --git a/rbutil/rbutilqt/installthemes.cpp b/rbutil/rbutilqt/installthemes.cpp
old mode 100644
new mode 100755
index 5375b8e..3c27e12
--- a/rbutil/rbutilqt/installthemes.cpp
+++ b/rbutil/rbutilqt/installthemes.cpp
@@ -159,13 +159,13 @@ void ThemesInstallWindow::updateDetails(int row)
     ui.themePreview->clear();
     ui.themePreview->setText(tr("fetching preview ..."));
 
-    int size = 0;
+    double size = 0.0;
 
     iniDetails.beginGroup(ui.listThemes->item(row)->data(Qt::UserRole).toString());
-    size += iniDetails.value("size").toInt();
+    size += iniDetails.value("size").toDouble();
     qDebug() << ui.listThemes->item(row)->data(Qt::UserRole).toString() << size;
     iniDetails.endGroup();
-    ui.labelSize->setText(tr("Download size %L1 kiB").arg(size));
+    ui.labelSize->setText(tr("Download size %L1 kiB").arg(size, 0, 'f', 2, '0'));
 
     iniDetails.beginGroup(ui.listThemes->item(row)->data(Qt::UserRole).toString());