diff --git a/.gitignore b/.gitignore
index 0c411ba..cc7b0f5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,5 @@ libChf/chf.fn
 libChf/chf.cps
 libChf/chf.cp
 libChf/chf.aux
+libChf/chf.dvi
+libChf/chf.ps