diff --git a/elf/elf.h b/elf/elf.h
index c541774d98..acd3d3e155 100644
--- a/elf/elf.h
+++ b/elf/elf.h
@@ -604,6 +604,7 @@ typedef struct
 #define NT_LWPSINFO	17		/* Contains copy of lwpinfo struct */
 #define NT_PRFPXREG	20		/* Contains copy of fprxregset struct */
 #define NT_PRXFPREG	0x46e62b7f	/* Contains copy of user_fxsr_struct */
+#define NT_PPC_VMX	0x100		/* PowerPC Altivec/VMX registers */
 
 /* Legal values for the note segment descriptor types for object files.  */