diff --git a/ps/display.c b/ps/display.c
index 8c604a3d..43e67ce2 100644
--- a/ps/display.c
+++ b/ps/display.c
@@ -315,9 +315,9 @@ static void simple_spew(void){
       }
       break;
     case TF_show_proc|TF_show_task:      // m and -m options
-      procps_pids_stacks_sort(Pids_info, pidreap->stacks
+      procps_pids_sort(Pids_info, pidreap->stacks
         , pidreap->counts.total, PROCPS_PIDS_TIME_START, PROCPS_SORT_ASCEND);
-      procps_pids_stacks_sort(Pids_info, pidreap->stacks
+      procps_pids_sort(Pids_info, pidreap->stacks
         , pidreap->counts.total, PROCPS_PIDS_ID_TGID, PROCPS_SORT_ASCEND);
       for (i = 0; i < pidreap->counts.total; i++) {
         buf = pidreap->stacks[i];
@@ -465,7 +465,7 @@ static void fancy_spew(void){
   if (n) {
     if(forest_type) prep_forest_sort();
     while(sort_list) {
-      procps_pids_stacks_sort(Pids_info, processes, n, sort_list->sr, sort_list->reverse);
+      procps_pids_sort(Pids_info, processes, n, sort_list->sr, sort_list->reverse);
       sort_list = sort_list->next;
     }
     if(forest_type) show_forest(n);
diff --git a/top/top.c b/top/top.c
index 99d39d6e..90e3297e 100644
--- a/top/top.c
+++ b/top/top.c
@@ -4570,7 +4570,7 @@ static void forest_create (WIN_t *q) {
          Tree_ppt = alloc_r(Tree_ppt, sizeof(void*) * hwmsav);
       }
 #ifndef TREE_SCANALL
-      if (!(procps_pids_stacks_sort(Pids_ctx, Seed_ppt, PIDSmaxt
+      if (!(procps_pids_sort(Pids_ctx, Seed_ppt, PIDSmaxt
          , PROCPS_PIDS_TIME_START, PROCPS_SORT_ASCEND)))
             error_exit(fmtmk(N_fmt(LIB_errorpid_fmt),__LINE__));
 #endif
@@ -5149,7 +5149,7 @@ static int window_show (WIN_t *q, int wmax) {
          item = PROCPS_PIDS_CMDLINE;
       else if (item == PROCPS_PIDS_TICS_ALL && CHKw(q, Show_CTIMES))
          item = PROCPS_PIDS_TICS_ALL_C;
-      if (!(procps_pids_stacks_sort(Pids_ctx, q->ppt , PIDSmaxt, item, sORDER)))
+      if (!(procps_pids_sort(Pids_ctx, q->ppt , PIDSmaxt, item, sORDER)))
          error_exit(fmtmk(N_fmt(LIB_errorpid_fmt),__LINE__));
    }