diff --git a/application/MainWindow.cpp b/application/MainWindow.cpp
index 5880762a..a1066718 100644
--- a/application/MainWindow.cpp
+++ b/application/MainWindow.cpp
@@ -1248,7 +1248,7 @@ void MainWindow::setCatBackground(bool enabled)
         QDateTime now = QDateTime::currentDateTime();
         QDateTime xmas(QDate(now.date().year(), 12, 25), QTime(0, 0));
         ;
-        QString cat = (abs(now.daysTo(xmas)) <= 4) ? "catmas" : "kitteh";
+        QString cat = (std::abs(now.daysTo(xmas)) <= 4) ? "catmas" : "kitteh";
         view->setStyleSheet(QString(R"(
 GroupView
 {
diff --git a/application/resources/backgrounds/catbgrnd2.png b/application/resources/backgrounds/catbgrnd2.png
index 2b949e0b..e9de7f27 100644
Binary files a/application/resources/backgrounds/catbgrnd2.png and b/application/resources/backgrounds/catbgrnd2.png differ
diff --git a/application/resources/backgrounds/catmas.png b/application/resources/backgrounds/catmas.png
index cca96c63..8bdb1d5c 100644
Binary files a/application/resources/backgrounds/catmas.png and b/application/resources/backgrounds/catmas.png differ