diff --git a/.gitignore b/.gitignore
index 0ad22f6b07517b8d5115605b34ae7f1e55457027..b1fa640cc86ad1d5c6d7f59ed53610a058e00b46 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,3 +52,4 @@ main.pdf
 *.slg
 *.gls
 *.glg
+main.synctex(busy)