diff --git a/manual/opencs/.gitignore b/manual/opencs/.gitignore
index cf62bd6fc6..ce5852a376 100644
--- a/manual/opencs/.gitignore
+++ b/manual/opencs/.gitignore
@@ -2,4 +2,5 @@
 *.aux
 *.log
 *.toc
-*.pdf
\ No newline at end of file
+*.pdf
+*.out