diff --git a/include/.Sanitize b/include/.Sanitize
index e6e3eedd4a..a6482dfcca 100644
--- a/include/.Sanitize
+++ b/include/.Sanitize
@@ -40,6 +40,7 @@ gdbm.h
 getopt.h
 ieee.h
 ieee-float.h
+nlm
 oasys.h
 obstack.h
 opcode