diff --git a/sddm-theme/theme.conf.cmake b/sddm-theme/theme.conf.cmake
--- a/sddm-theme/theme.conf.cmake
+++ b/sddm-theme/theme.conf.cmake
@@ -2,4 +2,4 @@
 type=image
 color=#1d99f3
 fontSize=10
-background=${CMAKE_INSTALL_PREFIX}/${WALLPAPER_INSTALL_DIR}/Next/contents/images/3200x2000.png
+background=${CMAKE_INSTALL_PREFIX}/${WALLPAPER_INSTALL_DIR}/Next/contents/images/5120x2880.png