diff --git a/src/site/_data/filetree.js b/src/site/_data/filetree.js
index 3a23338..1dc6b1d 100644
--- a/src/site/_data/filetree.js
+++ b/src/site/_data/filetree.js
@@ -53,7 +53,7 @@ function getPermalinkMeta(path, key) {
     if (frontMatter.data.permalink) {
       permalink = frontMatter.data.permalink;
     }
-    if (frontMatter.data.tags.indexOf("gardenEntry") != -1) {
+    if (frontMatter.data.tags && frontMatter.data.tags.indexOf("gardenEntry") != -1) {
       permalink = "/";
     }
     if (frontMatter.data.title) {