1 files changed, 6 insertions, 6 deletions
diff --git a/examples/sql/masterdetail/database.h b/examples/sql/masterdetail/database.h
index 3139deb0b2..9cbca6f749 100644
--- a/examples/sql/masterdetail/database.h
+++ b/examples/sql/masterdetail/database.h
@@ -61,12 +61,12 @@ static bool createConnection()
     QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
     db.setDatabaseName(":memory:");
     if (!db.open()) {
-        QMessageBox::critical(0, qApp->tr("Cannot open database"),
-            qApp->tr("Unable to establish a database connection.\n"
-                     "This example needs SQLite support. Please read "
-                     "the Qt SQL driver documentation for information how "
-                     "to build it.\n\n"
-                     "Click Cancel to exit."), QMessageBox::Cancel);
+        QMessageBox::critical(nullptr, QObject::tr("Cannot open database"),
+            QObject::tr("Unable to establish a database connection.\n"
+                        "This example needs SQLite support. Please read "
+                        "the Qt SQL driver documentation for information how "
+                        "to build it.\n\n"
+                        "Click Cancel to exit."), QMessageBox::Cancel);
         return false;
     }