diff --git a/Scripts/Chunk.cs b/Scripts/Chunk.cs
index b642d54..d114842 100644
--- a/Scripts/Chunk.cs
+++ b/Scripts/Chunk.cs
@@ -138,6 +138,9 @@ public class Chunk {
         if (what.Chunk != swapTo.Chunk) {
             what.Chunk.RemoveFromChunk(what);
             swapTo.Chunk.AddToChunk(what);
+
+            swapTo.Chunk.RemoveFromChunk(swapTo);
+            what.Chunk.AddToChunk(swapTo);
         }
 
         Element temp = new Element(what);
diff --git a/Scripts/Elements/Element.cs b/Scripts/Elements/Element.cs
index dd264fd..f272ed7 100644
--- a/Scripts/Elements/Element.cs
+++ b/Scripts/Elements/Element.cs
@@ -88,7 +88,7 @@ public class Element{
         else if (Chunk.IsEmpty(Position + randomDirection * VERTICAL_OPPOSITE))
             Chunk.Swap(this, Position + randomDirection * VERTICAL_OPPOSITE);
 
-        if (GD.Randi() % MAX_DIFFUSE_SPEED > DiffuseSpeed) return; // ascend slower
+        if (GD.Randi() % MAX_DIFFUSE_SPEED > DiffuseSpeed) return; // descend slower
 
         if (Chunk.Get(Position + randomDirection)?.Density < Density)
             Chunk.Swap(this, Position + Vector2I.Down);