diff --git a/modules.d/50plymouth/plymouth-newroot.sh b/modules.d/50plymouth/plymouth-newroot.sh
index 2ffc9293..c5f1e56d 100755
--- a/modules.d/50plymouth/plymouth-newroot.sh
+++ b/modules.d/50plymouth/plymouth-newroot.sh
@@ -2,5 +2,5 @@
 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
 # ex: ts=8 sw=4 sts=4 et filetype=sh
 
-[ -x /bin/plymouth ! -x /lib/systemd/systemd ] || exit 0
+[ -x /bin/plymouth -a ! -x /lib/systemd/systemd ] || exit 0
 /bin/plymouth --newroot=$NEWROOT