diff --git a/src/cmd/ksh93/sh/path.c b/src/cmd/ksh93/sh/path.c

index d723987..9965bf5 100644

--- a/src/cmd/ksh93/sh/path.c

+++ b/src/cmd/ksh93/sh/path.c

@@ -1791,8 +1791,12 @@ void path_alias(register Namval_t *np,register Pathcomp_t *pp)

 	{

 		struct stat statb;

 		char *sp;

+		Pathcomp_t *old = 0;

 		nv_offattr(np,NV_NOPRINT);

 		nv_stack(np,&talias_init);

+		old = (Pathcomp_t*)np->nvalue.cp;

+		if (old && (--old->refcount <= 0))

+			free((void*)old);

 		np->nvalue.cp = (char*)pp;

 		pp->refcount++;

 		nv_setattr(np,NV_TAGGED|NV_NOFREE);

-- 

2.9.3