diff --git a/dev-dotnet/ndesk-dbus/ndesk-dbus-0.6.1a.ebuild b/dev-dotnet/ndesk-dbus/ndesk-dbus-0.6.1a.ebuild
index 92da367a088de..c941981ecf016 100644
--- a/dev-dotnet/ndesk-dbus/ndesk-dbus-0.6.1a.ebuild
+++ b/dev-dotnet/ndesk-dbus/ndesk-dbus-0.6.1a.ebuild
@@ -25,5 +25,5 @@ DEPEND="${RDEPEND}
 src_prepare() {
 	default
 	# mono-4 compat
-	sed -i "s#gmcs#mcs#g" configure
+	sed -i "s#gmcs#mcs#g" configure || die
 }