diff --git a/games-emulation/dosbox-x/dosbox-x-2024.12.04.ebuild b/games-emulation/dosbox-x/dosbox-x-2024.12.04.ebuild
index 3dc3a128bc..d7917dae50 100644
--- a/games-emulation/dosbox-x/dosbox-x-2024.12.04.ebuild
+++ b/games-emulation/dosbox-x/dosbox-x-2024.12.04.ebuild
@@ -151,7 +151,7 @@ src_compile() {
 }
 
 src_test() {
-	local -x XDG_CONFIG_HOME="${T}" # Tests may create configuration files
+	xdg_environment_reset # Tests may create config files in XDG_CONFIG_HOME
 	set -- src/dosbox-x -tests
 	echo "${@}" >&2
 	"${@}" || die "Unit tests failed"
diff --git a/games-emulation/dosbox-x/dosbox-x-9999.ebuild b/games-emulation/dosbox-x/dosbox-x-9999.ebuild
index 3dc3a128bc..d7917dae50 100644
--- a/games-emulation/dosbox-x/dosbox-x-9999.ebuild
+++ b/games-emulation/dosbox-x/dosbox-x-9999.ebuild
@@ -151,7 +151,7 @@ src_compile() {
 }
 
 src_test() {
-	local -x XDG_CONFIG_HOME="${T}" # Tests may create configuration files
+	xdg_environment_reset # Tests may create config files in XDG_CONFIG_HOME
 	set -- src/dosbox-x -tests
 	echo "${@}" >&2
 	"${@}" || die "Unit tests failed"