diff --git a/dev-lang/lua/lua-5.2.3-r1.ebuild b/dev-lang/lua/lua-5.2.3-r1.ebuild
index 16d253d6bd8f3..b18dd9f17ed7b 100644
--- a/dev-lang/lua/lua-5.2.3-r1.ebuild
+++ b/dev-lang/lua/lua-5.2.3-r1.ebuild
@@ -114,6 +114,7 @@ multilib_src_install() {
 	# We want packages to find our things...
 	cp "${FILESDIR}/lua.pc" "${WORKDIR}"
 	sed -i \
+		-e "s:^prefix= :prefix= ${EPREFIX}:" \
 		-e "s:^V=.*:V= ${PATCH_PV}:" \
 		-e "s:^R=.*:R= ${PV}:" \
 		-e "s:/,lib,:/$(get_libdir):g" \