diff --git a/doc/istl/comm/.gitignore b/doc/istl/comm/.gitignore
index a8c2a6b2553b721f0fda44ece2644019f1b2d1aa..7e69cf5ea273ecc428601c28ebd46d15555dca05 100644
--- a/doc/istl/comm/.gitignore
+++ b/doc/istl/comm/.gitignore
@@ -1,7 +1,7 @@
 Makefile
 Makefile.in
 semantic.cache
-output
+auto
 indexset
 .deps
 .libs