diff --git a/shop/shopform.cpp b/shop/shopform.cpp
index e998652..0ce98a4 100644
--- a/shop/shopform.cpp
+++ b/shop/shopform.cpp
@@ -392,6 +392,7 @@ void ShopForm::on_commoditySearch_textChanged(const QString &text)
     QSortFilterProxyModel proxy;
     proxy.setSourceModel(m_commodityModel);
     proxy.setFilterKeyColumn(0);
+    proxy.setFilterCaseSensitivity(Qt::CaseInsensitive);
     proxy.setFilterFixedString(text);
 
     auto moveToIndex = [this](const QModelIndex &matchingIndex) {