diff --git a/dev-util/ccache/ccache-4.8.3.ebuild b/dev-util/ccache/ccache-4.8.3.ebuild
index 554266100f5b1..8c1e04988bf3b 100644
--- a/dev-util/ccache/ccache-4.8.3.ebuild
+++ b/dev-util/ccache/ccache-4.8.3.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -18,7 +18,7 @@ MY_DOCS_VERSION=$(ver_cut 1-2)
 MY_DOCS_USEFLAG="+doc"
 
 VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/joelrosdahl.asc
-inherit cmake toolchain-funcs flag-o-matic verify-sig
+inherit cmake toolchain-funcs flag-o-matic prefix verify-sig
 
 DESCRIPTION="Fast compiler cache"
 HOMEPAGE="https://ccache.dev/"
@@ -78,9 +78,8 @@ src_unpack() {
 src_prepare() {
 	cmake_src_prepare
 
-	sed \
-		-e "/^EPREFIX=/s:'':'${EPREFIX}':" \
-		"${FILESDIR}"/ccache-config-3 > ccache-config || die
+	cp "${FILESDIR}"/ccache-config-3 ccache-config || die
+	eprefixify ccache-config
 }
 
 src_configure() {
diff --git a/dev-util/ccache/ccache-4.9.1.ebuild b/dev-util/ccache/ccache-4.9.1.ebuild
index 108c29bbdd7ac..73795e42934ef 100644
--- a/dev-util/ccache/ccache-4.9.1.ebuild
+++ b/dev-util/ccache/ccache-4.9.1.ebuild
@@ -18,7 +18,7 @@ MY_DOCS_VERSION=$(ver_cut 1-2)
 MY_DOCS_USEFLAG="+doc"
 
 VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/joelrosdahl.asc
-inherit cmake toolchain-funcs flag-o-matic verify-sig
+inherit cmake toolchain-funcs flag-o-matic prefix verify-sig
 
 DESCRIPTION="Fast compiler cache"
 HOMEPAGE="https://ccache.dev/"
@@ -78,9 +78,8 @@ src_unpack() {
 src_prepare() {
 	cmake_src_prepare
 
-	sed \
-		-e "/^EPREFIX=/s:'':'${EPREFIX}':" \
-		"${FILESDIR}"/ccache-config-3 > ccache-config || die
+	cp "${FILESDIR}"/ccache-config-3 ccache-config || die
+	eprefixify ccache-config
 }
 
 src_configure() {
diff --git a/dev-util/ccache/ccache-4.9.ebuild b/dev-util/ccache/ccache-4.9.ebuild
index 68cf3874b6643..ae1a041c29531 100644
--- a/dev-util/ccache/ccache-4.9.ebuild
+++ b/dev-util/ccache/ccache-4.9.ebuild
@@ -18,7 +18,7 @@ MY_DOCS_VERSION=$(ver_cut 1-2)
 MY_DOCS_USEFLAG="+doc"
 
 VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/joelrosdahl.asc
-inherit cmake toolchain-funcs flag-o-matic verify-sig
+inherit cmake toolchain-funcs flag-o-matic prefix verify-sig
 
 DESCRIPTION="Fast compiler cache"
 HOMEPAGE="https://ccache.dev/"
@@ -78,9 +78,8 @@ src_unpack() {
 src_prepare() {
 	cmake_src_prepare
 
-	sed \
-		-e "/^EPREFIX=/s:'':'${EPREFIX}':" \
-		"${FILESDIR}"/ccache-config-3 > ccache-config || die
+	cp "${FILESDIR}"/ccache-config-3 ccache-config || die
+	eprefixify ccache-config
 }
 
 src_configure() {
diff --git a/dev-util/ccache/files/ccache-config-3 b/dev-util/ccache/files/ccache-config-3
index 7f604f0016ef9..631d671794d8e 100644
--- a/dev-util/ccache/files/ccache-config-3
+++ b/dev-util/ccache/files/ccache-config-3
@@ -11,7 +11,7 @@
 #
 # Additional features to come; this provides a starting point
 
-EPREFIX=''
+EPREFIX='@GENTOO_PORTAGE_EPREFIX@'
 
 . "${EPREFIX}"/lib/gentoo/functions.sh 2>/dev/null || {
 	ebegin() { echo " * $* ..."; }