diff --git a/.gitignore b/.gitignore
index 85a438d10..219dcdea9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 /config.status
 /Doxyfile
 /setupenv.bash
+/autom4te.cache
 
 doc/*.gz
 doc/*.mtree