diff --git a/sys-power/switcheroo-control/switcheroo-control-3.0.ebuild b/sys-power/switcheroo-control/switcheroo-control-3.0.ebuild
index 1854fa88c0fd..b5b0f11fd37f 100644
--- a/sys-power/switcheroo-control/switcheroo-control-3.0.ebuild
+++ b/sys-power/switcheroo-control/switcheroo-control-3.0.ebuild
@@ -55,7 +55,7 @@ src_prepare() {
 
 src_configure() {
 	local emesonargs=(
-		-Drulesdir="$(get_udevdir)"/rules.d
+		-Drulesdir="${EPREFIX}"/"$(get_udevdir)"/rules.d
 		-Dsystemdsystemunitdir="$(systemd_get_systemunitdir)"
 		$(meson_use gtk-doc gtk_doc)
 		$(meson_use test tests)