diff --git a/sddm-theme/Background.qml b/sddm-theme/Background.qml
--- a/sddm-theme/Background.qml
+++ b/sddm-theme/Background.qml
@@ -34,6 +34,8 @@
     Image {
         id: sceneImageBackground
         anchors.fill: parent
+        sourceSize.width: parent.width
+        sourceSize.height: parent.height
         fillMode: Image.PreserveAspectCrop
         smooth: true;
     }