diff --git a/databaseview.cpp b/databaseview.cpp
index 4e01477..58c338f 100644
--- a/databaseview.cpp
+++ b/databaseview.cpp
@@ -49,9 +49,9 @@ QStringList SelectColumnsDialog::selectedColumns()
     return ret;
 }
 
-FITSFileModel::FITSFileModel(QObject *parent) : QSqlQueryModel(parent)
+FITSFileModel::FITSFileModel(Database *database, QObject *parent) : QSqlQueryModel(parent)
+  , m_database(database)
 {
-
 }
 
 void FITSFileModel::sort(int column, Qt::SortOrder order)
@@ -88,6 +88,44 @@ void FITSFileModel::setFilter(const QStringList &key, const QStringList &value)
     prepareQuery();
 }
 
+QVariant FITSFileModel::data(const QModelIndex &index, int role) const
+{
+    if(role == Qt::FontRole && index.column() == 0)
+    {
+        QFont font;
+        QString file = index.data().toString();
+        font.setBold(m_markedFiles.contains(file));
+        return font;
+    }
+    return QSqlQueryModel::data(index, role);
+}
+
+void FITSFileModel::filesMarked(const QModelIndexList &indexes)
+{
+    for(auto &index : indexes)
+    {
+        QString file = index.data().toString();
+        if(!m_markedFiles.contains(file))
+        {
+            m_markedFiles.insert(file);
+            emit dataChanged(index, index, {Qt::FontRole});
+        }
+    }
+}
+
+void FITSFileModel::filesUnmarked(const QModelIndexList &indexes)
+{
+    for(auto &index : indexes)
+    {
+        QString file = index.data().toString();
+        if(m_markedFiles.contains(file))
+        {
+            m_markedFiles.remove(file);
+            emit dataChanged(index, index, {Qt::FontRole});
+        }
+    }
+}
+
 void FITSFileModel::prepareQuery()
 {
     QString cols;
@@ -124,6 +162,9 @@ void FITSFileModel::prepareQuery()
     std::cout << sql.toStdString() << std::endl;
     if(lastError().type() != QSqlError::NoError)
         qDebug() << lastError();
+
+    QStringList list = m_database->getMarkedFiles();
+    m_markedFiles = QSet<QString>(list.begin(), list.end());
 }
 
 DatabaseTableView::DatabaseTableView(QWidget *parent) : QTableView(parent)
@@ -163,7 +204,7 @@ DataBaseView::DataBaseView(Database *database, QWidget *parent) : QWidget(parent
     layout->addWidget(m_tableView);
     connect(m_tableView, &QTableView::activated, this, &DataBaseView::itemActivated);
 
-    m_model = new FITSFileModel(this);
+    m_model = new FITSFileModel(m_database, this);
 
     QSettings settings;
     m_tableView->setModel(m_model);
@@ -182,12 +223,14 @@ DataBaseView::DataBaseView(Database *database, QWidget *parent) : QWidget(parent
         for(auto &index : indexes)
             files.append(index.data().toString());
         m_database->mark(files);
+        m_model->filesMarked(indexes);
     });
     connect(m_tableView, &DatabaseTableView::filesUnmarked, [this](QModelIndexList indexes){
         QStringList files;
         for(auto &index : indexes)
             files.append(index.data().toString());
         m_database->unmark(files);
+        m_model->filesUnmarked(indexes);
     });
 
     for(int i=0; i<3; i++)
diff --git a/databaseview.h b/databaseview.h
index 9d62381..2a2b421 100644
--- a/databaseview.h
+++ b/databaseview.h
@@ -27,11 +27,16 @@ class FITSFileModel : public QSqlQueryModel
     QString m_sort;
     QStringList m_key;
     QStringList m_value;
+    QSet<QString> m_markedFiles;
+    Database *m_database;
 public:
-    explicit FITSFileModel(QObject *parent = nullptr);
+    explicit FITSFileModel(Database *database, QObject *parent = nullptr);
     void sort(int column, Qt::SortOrder order) override;
     void setColumns(const QStringList &columns);
     void setFilter(const QStringList &key, const QStringList &value);
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    void filesMarked(const QModelIndexList &indexes);
+    void filesUnmarked(const QModelIndexList &indexes);
 protected:
     void prepareQuery();
 };