diff --git a/.gitignore b/.gitignore
index 9c42274..b752aff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -54,3 +54,6 @@
 /ipx-utils-*.tar.bz2
 /ipx-utils-*.zip
 /ipx-utils-*/
+
+# autoconf cache
+/autom4te.cache/