diff --git a/gdb/doc/.Sanitize b/gdb/doc/.Sanitize
index 740b632c6b..5e37d0df8b 100644
--- a/gdb/doc/.Sanitize
+++ b/gdb/doc/.Sanitize
@@ -36,6 +36,7 @@ gdbint.texinfo
 gdbinv-m.m4.in
 gdbinv-s.m4.in
 gen.m4
+h8.m4
 i80386.m4
 i960.m4
 lpsrc.sed