diff --git a/lib/keystone b/lib/keystone
index 805cb6f..875d537 100644
--- a/lib/keystone
+++ b/lib/keystone
@@ -346,3 +346,7 @@
 
 # Restore xtrace
 $XTRACE
+
+# Local variables:
+# mode: shell-script
+# End: