diff --git a/src/main/java/com/thevoxelbox/voxelsniper/brush/shape/FillDownBrush.java b/src/main/java/com/thevoxelbox/voxelsniper/brush/shape/FillDownBrush.java
index b1bf5861..5d2d4bfb 100644
--- a/src/main/java/com/thevoxelbox/voxelsniper/brush/shape/FillDownBrush.java
+++ b/src/main/java/com/thevoxelbox/voxelsniper/brush/shape/FillDownBrush.java
@@ -97,6 +97,8 @@ private void fillDown(SnipeData v, Location<World> targetBlock) {
                 }
             }
         }
+        v.owner().storeUndo(this.undo);
+        this.undo = null;
     }
 
     @Override