diff --git a/index_grep.yml b/index_grep.yml
index 5490946..f762fb3 100644
--- a/index_grep.yml
+++ b/index_grep.yml
@@ -1,6 +1,6 @@
 --- # Programming language
   name: "grep"
-  base_url: "https://git.swarmlab.io:3000/llo/LabLearningObject/raw/branch/master/index_grep.yml"
+  base_url: "https://git.swarmlab.io:3000/llo/LabLearningObject/raw/branch/master"
   author: "zeus"
   intro: "intro"
   0_Case_insensitive_search: