Index: src/greeter/theme.qrc
--- src/greeter/theme.qrc.orig
+++ src/greeter/theme.qrc
@@ -3,7 +3,7 @@
     <file alias="angle-down.png">${CMAKE_CURRENT_SOURCE_DIR}/theme/angle-down.png</file>
     <file alias="angle-left.png">${CMAKE_CURRENT_SOURCE_DIR}/theme/angle-left.png</file>
     <file alias="angle-right.png">${CMAKE_CURRENT_SOURCE_DIR}/theme/angle-right.png</file>
-    <file alias="background.png">${CMAKE_CURRENT_SOURCE_DIR}/theme/background.png</file>
+    <file alias="puffy-sddm.svgz">${CMAKE_CURRENT_SOURCE_DIR}/theme/puffy-sddm.svgz</file>
     <file alias="Main.qml">${CMAKE_CURRENT_SOURCE_DIR}/theme/Main.qml</file>
     <file alias="reboot.png">${CMAKE_CURRENT_SOURCE_DIR}/theme/reboot.png</file>
     <file alias="shutdown.png">${CMAKE_CURRENT_SOURCE_DIR}/theme/shutdown.png</file>
