diff -urpa dracut-047.orig/modules.d/50plymouth/plymouth-populate-initrd.sh dracut-047/modules.d/50plymouth/plymouth-populate-initrd.sh
--- dracut-047.orig/modules.d/50plymouth/plymouth-populate-initrd.sh	2018-02-19 09:00:33.000000000 +0000
+++ dracut-047/modules.d/50plymouth/plymouth-populate-initrd.sh	2018-03-15 12:03:37.494982675 +0000
@@ -4,7 +4,7 @@ PLYMOUTH_LOGO_FILE="/usr/share/pixmaps/s
 PLYMOUTH_THEME=$(plymouth-set-default-theme)
 
 inst_multiple plymouthd plymouth \
-    /etc/system-release
+    /etc/os-release
 
 test -e "${PLYMOUTH_LOGO_FILE}" && inst_simple "${PLYMOUTH_LOGO_FILE}"