diff --git a/.gitignore b/.gitignore
index ab1b5a3..e964244 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,7 +19,7 @@
 # these rules might exclude image files for figures etc.
 # *.ps
 # *.eps
-*.pdf
+# *.pdf
 
 ## Generated if empty string is given at "Please type another file name for output:"
 .pdf