diff --git a/gdb/.Sanitize b/gdb/.Sanitize
index 9fb5f252fb..c808cb6f6c 100644
--- a/gdb/.Sanitize
+++ b/gdb/.Sanitize
@@ -149,6 +149,7 @@ nm-hppab.h
 nm-hppah.h
 nm-i386bsd.h
 nm-i386mach.h
+nm-i386sco.h
 nm-i386v.h
 nm-i386v4.h
 nm-irix3.h