diff --git a/TeX.gitignore b/TeX.gitignore
index e9642441..7442f837 100644
--- a/TeX.gitignore
+++ b/TeX.gitignore
@@ -147,6 +147,9 @@ acs-*.bib
 # *.tikz
 *-tikzDictionary
 
+# latexindent will create succesive backup files by default
+#*.bak*
+
 # listings
 *.lol