diff --git a/bigstuff.cpp b/bigstuff.cpp
index bc2cc4d7..5cc92e3b 100644
--- a/bigstuff.cpp
+++ b/bigstuff.cpp
@@ -1108,6 +1108,9 @@ void buildBigStuff(cell *c, cell *from) {
     if(c->land == laCaribbean && horo_ok() && ctof(c) && !c->master->alt)
       createAlternateMap(c, 2, hsA);
 
+    if(c->land == laCanvas && horo_ok() && ctof(c) && !c->master->alt)
+      createAlternateMap(c, 2, hsA);
+
     if(c->land == laPalace && ctof(c) && !princess::generating && !shmup::on && multi::players == 1 && horo_ok() && !weirdhyperbolic &&
       (princess::forceMouse ? canReachPlayer(from, moMouse) :
         (hrand(2000) < (peace::on ? 100 : 20))) && 
@@ -1166,6 +1169,9 @@ void moreBigStuff(cell *c) {
     if(d <= PRADIUS1) generateAlts(c->master);
     }
 
+  if(c->land == laCanvas && c->master->alt) 
+    generateAlts(c->master);
+
   if(c->land == laStorms)
     if(!eubinary && !quotient && !sphere) {
       if(c->master->alt && c->master->alt->distance <= 2) {
diff --git a/expansion.cpp b/expansion.cpp
index 8e690f95..229731c8 100644
--- a/expansion.cpp
+++ b/expansion.cpp
@@ -399,7 +399,7 @@ int curr_dist(cell *c) {
     case dfStart:
       return celldist(c);
     case dfWorld:
-      if(!mod_allowed() && !among(c->land, laOcean, laIvoryTower, laEndorian, laDungeon, laTemple, laWhirlpool))
+      if(!mod_allowed() && !among(c->land, laOcean, laIvoryTower, laEndorian, laDungeon, laTemple, laWhirlpool, laCanvas))
         return 0;
       if(c->master->alt) return celldistAlt(c);
       return inmirror(c) ? (c->landparam & 255) : c->landparam;