diff --git a/scripts/zk-gen-index b/scripts/zk-gen-index
index 6887ec8..13ec007 100755
--- a/scripts/zk-gen-index
+++ b/scripts/zk-gen-index
@@ -2,7 +2,7 @@
 
 toc=$(zk-gen-dir-md-toc)
 
-echo -e "START_TOC\n$toc\n\nEND_TOC" > temp.md
+echo -e "START_TOC$toc\nEND_TOC" > temp.md
 
 if [ -f index.md ]; then
     perl -i -p0e 's/START_TOC.*END_TOC/`cat temp.md`/se' index.md