diff --git a/todo.sh b/todo.sh
index 99320c9..4d0fb15 100755
--- a/todo.sh
+++ b/todo.sh
@@ -232,7 +232,7 @@ help()
         echo ""
         for action in "$TODO_ACTIONS_DIR"/*
         do
-            if [ -x "$action" ]
+            if [ -f "$action" -a -x "$action" ]
             then
                 "$action" usage
             fi