diff --git a/complex.cpp b/complex.cpp
index 9a92500c..535e7282 100644
--- a/complex.cpp
+++ b/complex.cpp
@@ -3498,6 +3498,7 @@ EX namespace ca {
       }
     for(int i=0; i<dcs; i++) {
       cell *c = allcells[i];
+      if(c->land != laCA) continue;
       auto last = c->wall;
       c->wall = willlive[i] ? wlive : waNone;
       if(c->wall != last) {
diff --git a/content.cpp b/content.cpp
index a662e4ae..9321db62 100644
--- a/content.cpp
+++ b/content.cpp
@@ -1454,7 +1454,7 @@ LAND( 0xC000C0, "Crossroads V", laCrossroads5, ZERO, itHyperstone, RESERVED, "Ex
 
 LAND( 0xC0C0C0, "Cellular Automaton", laCA, ZERO | LF_TECHNICAL, itNone, RESERVED, cadesc)
   NATIVE(0)
-  REQ(NEVER)
+  REQ(ALWAYS)
 
 LAND( 0xC0C0FF, "Mirror Wall", laMirrorWall, ZERO | LF_TECHNICAL | LF_INMIRRORORWALL, itShard, RESERVED, mirroreddesc)
   NATIVE(isNative(laMirror, m))
diff --git a/landlock.cpp b/landlock.cpp
index 1f05d66e..a646bbed 100644
--- a/landlock.cpp
+++ b/landlock.cpp
@@ -565,6 +565,7 @@ EX eLand getNewLand(eLand old) {
   tab[cnt++] = laHalloween;
   tab[cnt++] = laWildWest;
   tab[cnt++] = laAsteroids;
+  tab[cnt++] = laCA;
 
   // the advanced lands
   if(all_unlocked || gold() >= R60) {