diff --git a/sdk_container/src/third_party/portage-stable/eclass/optfeature.eclass b/sdk_container/src/third_party/portage-stable/eclass/optfeature.eclass
index b44fc1b852..c8b4911320 100644
--- a/sdk_container/src/third_party/portage-stable/eclass/optfeature.eclass
+++ b/sdk_container/src/third_party/portage-stable/eclass/optfeature.eclass
@@ -1,4 +1,4 @@
-# Copyright 1999-2022 Gentoo Authors
+# Copyright 1999-2023 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: optfeature.eclass
@@ -9,7 +9,7 @@
 
 case ${EAPI} in
 	7|8) ;;
-	*) die "${ECLASS}: EAPI=${EAPI:-0} is not supported" ;;
+	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
 esac
 
 if [[ -z ${_OPTFEATURE_ECLASS} ]]; then