diff --git a/bfd/hosts/.Sanitize b/bfd/hosts/.Sanitize
index fb995e5e78e..242157aa777 100644
--- a/bfd/hosts/.Sanitize
+++ b/bfd/hosts/.Sanitize
@@ -47,6 +47,7 @@ sparc-ll.h
 sparc.h
 stratus.h
 sun3.h
+sysv4.h
 tahoe.h
 ultra3.h
 vaxbsd.h