diff --git a/Doc/paper-a4/.cvsignore b/Doc/paper-a4/.cvsignore
index 31923f4d0f6..90687b6c157 100644
--- a/Doc/paper-a4/.cvsignore
+++ b/Doc/paper-a4/.cvsignore
@@ -13,3 +13,4 @@
 *.l2h
 *.how
 README
+api.tex