Index: sys/sys/proc.h
===================================================================
--- sys/sys/proc.h
+++ sys/sys/proc.h
@@ -630,7 +630,7 @@
 	uint64_t	p_elf_flags;	/* (x) ELF flags */
 
 /* End area that is copied on creation. */
-#define	p_endcopy	p_elf_flags
+#define	p_endcopy	p_pgrp
 	struct pgrp	*p_pgrp;	/* (c + e) Pointer to process group. */
 	struct knlist	*p_klist;	/* (c) Knotes attached to this proc. */
 	int		p_numthreads;	/* (c) Number of threads. */