diff --git a/media-libs/fnlib/fnlib-0.5-r2.ebuild b/media-libs/fnlib/fnlib-0.5-r2.ebuild
index 178106b2ff76e..db892e87ab203 100644
--- a/media-libs/fnlib/fnlib-0.5-r2.ebuild
+++ b/media-libs/fnlib/fnlib-0.5-r2.ebuild
@@ -25,5 +25,5 @@ src_prepare() {
 }
 
 src_configure() {
-	econf --sysconfdir=/etc/fnlib
+	econf --sysconfdir="${EPREFIX}"/etc/fnlib
 }