diff --git a/bigstuff.cpp b/bigstuff.cpp
index 8517ef35..c593d50e 100644
--- a/bigstuff.cpp
+++ b/bigstuff.cpp
@@ -1132,7 +1132,7 @@ EX void setLandSphere(cell *c) {
 vector<eLand> euland;
 map<int, eLand> euland3;
 map<int, eLand> euland3_hash;
-EX map<tuple<int, int, int>, eLand> landscape_lands;
+EX map<array<int, 3>, eLand> landscape_lands;
 
 EX eLand& get_euland(int c) {
   euland.resize(max_vec);
@@ -1146,7 +1146,7 @@ EX void clear_euland(eLand first) {
   euland3.clear();
   euland3[0] = first;
   landscape_lands.clear();
-  landscape_lands[{0,0,0}] = first;
+  landscape_lands[make_array(0,0,0)] = first;
   }
 
 bool valid_wall_at(int c) {
diff --git a/landgen.cpp b/landgen.cpp
index b286346b..a6aae266 100644
--- a/landgen.cpp
+++ b/landgen.cpp
@@ -2926,7 +2926,7 @@ EX void set_land_for_geometry(cell *c) {
         if(sh * 2 < ld * 3) a[i] = gdiv(a[i], ld2)*2+1;
         else a[i] = gdiv(a[i]+ld, ld2)*2;
         }
-      eLand& l = landscape_lands[{a[0], a[1], a[2]}];
+      eLand& l = landscape_lands[make_array(a[0], a[1], a[2])];
       if(l == laNone) l = random_land();
       setland(c, l);
       return;