diff --git a/game.cpp b/game.cpp
index 6adf18ff..da7c13ad 100644
--- a/game.cpp
+++ b/game.cpp
@@ -4732,7 +4732,7 @@ void movehex(bool mounted, int colorpair) {
     for(int t=0; t<c->type; t++) if(c->mov[t] && inpair(c->mov[t], colorpair))
       dirtable[qdirtable++] = t;
       
-    random_shuffle(dirtable, dirtable+qdirtable);
+    hrandom_shuffle(dirtable, qdirtable);
     while(qdirtable--) {
       int t = dirtable[qdirtable];
       hexvisit(c->mov[t], c, t, mounted, colorpair);
diff --git a/hyper.h b/hyper.h
index 78f35ccc..71063b99 100644
--- a/hyper.h
+++ b/hyper.h
@@ -37,7 +37,6 @@ using std::imag;
 using std::stable_sort;
 using std::out_of_range;
 using std::get;
-using std::random_shuffle;
 using std::move;
 using std::make_tuple;
 
diff --git a/rogueviz-kohonen.cpp b/rogueviz-kohonen.cpp
index 0a2eefb1..dd90f369 100644
--- a/rogueviz-kohonen.cpp
+++ b/rogueviz-kohonen.cpp
@@ -691,7 +691,7 @@ void describe(cell *c) {
   help += "\n";
   vector<pair<double, int>> v;
   for(int s=0; s<samples; s++) if(whowon[s] == n) v.emplace_back(vnorm(n->net, data[s].val), s);
-  random_shuffle(v.begin(), v.end());
+  hrandom_shuffle(&v[0], isize(v));
   sort(v.begin(), v.end(), [] (pair<double,int> a, pair<double,int> b) { return a.first < b.first; });
   
   for(int i=0; i<isize(v) && i<20; i++) {