diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index d812dbe83d..bd283e80e9 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -390,7 +390,7 @@ public class Blocks implements ContentList{
 
         yellowStoneWall = new StaticWall("yellow-stone-wall"){{
             variants = 2;
-            yellowStone.asFloor().wall = this;
+            yellowStone.asFloor().wall = slag.asFloor().wall = this;
         }};
 
         rhyoliteWall = new StaticWall("rhyolite-wall"){{
diff --git a/core/src/mindustry/maps/planet/ErekirPlanetGenerator.java b/core/src/mindustry/maps/planet/ErekirPlanetGenerator.java
index 47d2370071..4128b9f068 100644
--- a/core/src/mindustry/maps/planet/ErekirPlanetGenerator.java
+++ b/core/src/mindustry/maps/planet/ErekirPlanetGenerator.java
@@ -106,7 +106,7 @@ public class ErekirPlanetGenerator extends PlanetGenerator{
             pass((x, y) -> {
                 if(floor != Blocks.redIce){
                     float noise = noise(x + 782, y, 7, 0.8f, 310f, 1f);
-                    if(noise > 0.67f){
+                    if(noise > 0.64f){
                         if(noise > 0.72f){
                             floor = Blocks.slag;
                         }else{