diff --git a/src/demo/sliding.c b/src/demo/sliding.c
index 11e0d7366..3190c4def 100644
--- a/src/demo/sliding.c
+++ b/src/demo/sliding.c
@@ -189,9 +189,9 @@ int sliding_puzzle_demo(struct notcurses* nc){
     goto done;
   }
   DEMO_RENDER(nc);
-  struct timespec ts = { .tv_sec = 0, .tv_nsec = NANOSECS_IN_SEC, };
+  /*struct timespec ts = { .tv_sec = 0, .tv_nsec = NANOSECS_IN_SEC, };
   // fade out each of the chunks in succession
-  /*for(cy = 0 ; cy < CHUNKS_VERT ; ++cy){
+  for(cy = 0 ; cy < CHUNKS_VERT ; ++cy){
     for(cx = 0 ; cx < CHUNKS_HORZ ; ++cx){
       const int idx = cy * CHUNKS_HORZ + cx;
       if(ncplane_fadeout(chunks[idx], &ts)){
@@ -201,7 +201,7 @@ int sliding_puzzle_demo(struct notcurses* nc){
   }*/
   // shuffle up the chunks
   int i;
-  demo_nanosleep(nc, &ts);
+  demo_nanosleep(nc, &demodelay);
   for(i = 0 ; i < 200 ; ++i){
     int i0 = random() % chunkcount;
     int i1 = random() % chunkcount;
diff --git a/src/lib/terminfo.c b/src/lib/terminfo.c
index 3f21452ae..0286272af 100644
--- a/src/lib/terminfo.c
+++ b/src/lib/terminfo.c
@@ -59,6 +59,10 @@ apply_term_heuristics(tinfo* ti, const char* termname){
   }else if(strstr(termname, "vte") || strstr(termname, "gnome")){
     ti->sextants = true; // VTE has long enjoyed good sextant support
   }
+// as of freebsd 12.1 / dragonfly 5.9, there's no libc support for sextants
+#if defined(__FreeBSD__) || defined(__DragonFly__)
+  ti->sextants = false;
+#endif
   return 0;
 }