diff --git a/sys-power/libacpica/libacpica-0_pre20220331_p6.ebuild b/sys-power/libacpica/libacpica-0_pre20220331_p6.ebuild
index 4b1f900ddf2cb..7369444c003d3 100644
--- a/sys-power/libacpica/libacpica-0_pre20220331_p6.ebuild
+++ b/sys-power/libacpica/libacpica-0_pre20220331_p6.ebuild
@@ -53,5 +53,5 @@ src_compile() {
 }
 
 src_install() {
-	emake DESTDIR="${D}" PREFIX="${EPREFIX}"/usr LIBDIR="${EPREFIX}/usr/$(get_libdir)" install
+	emake DESTDIR="${D}" PREFIX="${EPREFIX}"/usr libdir="${EPREFIX}/usr/$(get_libdir)" install
 }
diff --git a/sys-power/libacpica/libacpica-9999.ebuild b/sys-power/libacpica/libacpica-9999.ebuild
index 4b1f900ddf2cb..7369444c003d3 100644
--- a/sys-power/libacpica/libacpica-9999.ebuild
+++ b/sys-power/libacpica/libacpica-9999.ebuild
@@ -53,5 +53,5 @@ src_compile() {
 }
 
 src_install() {
-	emake DESTDIR="${D}" PREFIX="${EPREFIX}"/usr LIBDIR="${EPREFIX}/usr/$(get_libdir)" install
+	emake DESTDIR="${D}" PREFIX="${EPREFIX}"/usr libdir="${EPREFIX}/usr/$(get_libdir)" install
 }