diff --git a/bfd/hosts/.Sanitize b/bfd/hosts/.Sanitize
index 10dd2f815e4..fb995e5e78e 100644
--- a/bfd/hosts/.Sanitize
+++ b/bfd/hosts/.Sanitize
@@ -39,6 +39,7 @@ i386mach.h
 i386v.h
 i386v4.h
 irix3.h
+irix4.h
 news.h
 rs6000.h
 rtbsd.h