diff --git a/sddm-theme/theme.conf.cmake b/sddm-theme/theme.conf.cmake
index a560da377..8494a5c8a 100644
--- a/sddm-theme/theme.conf.cmake
+++ b/sddm-theme/theme.conf.cmake
@@ -4,5 +4,5 @@ logo=${KDE_INSTALL_FULL_DATADIR}/sddm/themes/breeze/default-logo.svg
 type=image
 color=#1d99f3
 fontSize=10
-background=${KDE_INSTALL_FULL_WALLPAPERDIR}/Next/contents/images/5120x2880.png
+background=${KDE_INSTALL_FULL_WALLPAPERDIR}/Next/contents/images/5120x2880.jpg
 needsFullUserModel=false