diff --git a/community/community_extensions.json b/community/community_extensions.json
index 811e5493..47ab163a 100644
--- a/community/community_extensions.json
+++ b/community/community_extensions.json
@@ -10,7 +10,7 @@
     },
     {
         "name": "D3 Zoomable Treemap",
-        "website": "https://mantsui.github.io/Ext_D3_Treemap",
+        "website": "https://github.com/mantsui/Ext_D3_Treemap",
         "author": "Man Tsui",
         "github_username": "mantsui",
         "tags": ["v_1.0"],