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