diff --git a/main/sddm/spkgbuild b/main/sddm/spkgbuild
index e4e818ad4..5c534ae7c 100755
--- a/main/sddm/spkgbuild
+++ b/main/sddm/spkgbuild
@@ -91,9 +91,14 @@ session		required pam_unix.so
 session		optional pam_ck_connector.so
 EOF
 
+	_runit() {
 	# runit service
 	    install -Dm755 $SRC/run.$name $PKG/etc/sv/$name/run
 	    ln -s /run/runit/supervise.$name $PKG/etc/sv/$name/supervise
+	}
+	_sysv() {
 	# rc service
 	    install -Dm755 $SRC/rc.$name $PKG/etc/rc.d/$name
+	}
+	scratch isinstalled runit && _runit || _sysv
 }