diff --git a/dev-texlive/texlive-metapost/texlive-metapost-2021.ebuild b/dev-texlive/texlive-metapost/texlive-metapost-2021.ebuild
index f543f92cc76e2..2c878bdb57604 100644
--- a/dev-texlive/texlive-metapost/texlive-metapost-2021.ebuild
+++ b/dev-texlive/texlive-metapost/texlive-metapost-2021.ebuild
@@ -24,8 +24,8 @@ RDEPEND="${DEPEND} "
 # created and cause collisions.
 
 pkg_setup() {
-	if [ -f "${ROOT%/}${EPREFIX}/var/lib/texmf/web2c/metapost/mplib-luatex.mem" ]; then
+	if [ -f "${ROOT}/${EPREFIX}/var/lib/texmf/web2c/metapost/mplib-luatex.mem" ]; then
 		einfo "Removing ${ROOT%/}${EPREFIX}/var/lib/texmf/web2c/metapost/mplib-luatex.mem"
-		rm -f "${ROOT%/}${EPREFIX}/var/lib/texmf/web2c/metapost/mplib-luatex.mem"
+		rm -f "${ROOT}/${EPREFIX}/var/lib/texmf/web2c/metapost/mplib-luatex.mem"
 	fi
 }