diff --git a/sys-apps/mission-center/mission-center-1.1.0.ebuild b/sys-apps/mission-center/mission-center-1.1.0.ebuild
index 8ee6a12a81..7bfe04f88f 100644
--- a/sys-apps/mission-center/mission-center-1.1.0.ebuild
+++ b/sys-apps/mission-center/mission-center-1.1.0.ebuild
@@ -470,8 +470,8 @@ src_unpack() {
 
 src_prepare() {
 	default
-	sed -i "/cargo_env.*+=.*CARGO_HOME/d" src/meson.build
-	sed -i "/cargo_env.*+=.*CARGO_HOME/d" subprojects/magpie/meson.build
+	sed -i "/cargo_env.*+=.*CARGO_HOME/d" src/meson.build || die
+	sed -i "/cargo_env.*+=.*CARGO_HOME/d" subprojects/magpie/meson.build || die
 }
 
 src_configure() {