--- /usr/portage/dev-lang/duktape/duktape-2.5.0.ebuild.old	2020-06-27 12:39:00.000000000 +0200
+++ /usr/portage/dev-lang/duktape/duktape-2.5.0.ebuild	2020-06-27 17:12:49.628577709 +0200
@@ -21,7 +21,7 @@
 	eapply_user
 
 	# Set install path
-	sed -i "s#INSTALL_PREFIX = /usr/local#INSTALL_PREFIX = ${D::-1}/usr#" \
+	sed -i "s#INSTALL_PREFIX = /usr/local#INSTALL_PREFIX = ${D}/usr#" \
 			Makefile.sharedlibrary || die "failed to set install path"
 
 	# Edit pkgconfig