diff --git a/gdb/doc/.Sanitize b/gdb/doc/.Sanitize
index 43a25c69c2..b7b68c79e7 100644
--- a/gdb/doc/.Sanitize
+++ b/gdb/doc/.Sanitize
@@ -29,6 +29,7 @@ ChangeLog
 Makefile.in
 all.m4
 amd29k.m4
+config
 configure.in
 gdb.texinfo
 gdbint.texinfo