diff --git a/src/main/java/world/bentobox/greenhouses/data/Greenhouse.java b/src/main/java/world/bentobox/greenhouses/data/Greenhouse.java
index c1a442a..6278e9d 100644
--- a/src/main/java/world/bentobox/greenhouses/data/Greenhouse.java
+++ b/src/main/java/world/bentobox/greenhouses/data/Greenhouse.java
@@ -26,6 +26,7 @@ public class Greenhouse implements DataObject {
     @Expose
     private Location location;
     @Expose
+    // Min coords are inside, max coords are outside
     private BoundingBox boundingBox;
     @Expose
     private Biome originalBiome;
@@ -43,7 +44,7 @@ public class Greenhouse implements DataObject {
 
     public Greenhouse(World world, Walls walls, int ceilingHeight) {
         this.location = new Location(world, walls.getMinX(), walls.getFloor(), walls.getMinZ());
-        Location location2 = new Location(world, walls.getMaxX(), ceilingHeight, walls.getMaxZ());
+        Location location2 = new Location(world, walls.getMaxX() + 1, ceilingHeight + 1, walls.getMaxZ() + 1);
         this.boundingBox = BoundingBox.of(location, location2);
     }
 
diff --git a/src/main/java/world/bentobox/greenhouses/listeners/GreenhouseEvents.java b/src/main/java/world/bentobox/greenhouses/listeners/GreenhouseEvents.java
index 7fc90c6..d3d4ee1 100644
--- a/src/main/java/world/bentobox/greenhouses/listeners/GreenhouseEvents.java
+++ b/src/main/java/world/bentobox/greenhouses/listeners/GreenhouseEvents.java
@@ -124,11 +124,11 @@ public class GreenhouseEvents implements Listener {
         User user = User.getInstance(e.getPlayer());
         plugin.getManager().getMap().getGreenhouse(e.getBlock().getLocation()).ifPresent(g -> {
             // Check to see if wall or roof block broken
-            if ((e.getBlock().getLocation().getBlockY() == g.getCeilingHeight())
+            if ((e.getBlock().getLocation().getBlockY() == g.getCeilingHeight() - 1)
                     || e.getBlock().getLocation().getBlockX() == (int)g.getBoundingBox().getMinX()
-                    || e.getBlock().getLocation().getBlockX() == (int)g.getBoundingBox().getMaxX()
-                    || e.getBlock().getLocation().getBlockZ() == (int)g.getBoundingBox().getMinY()
-                    || e.getBlock().getLocation().getBlockZ() == (int)g.getBoundingBox().getMaxY()
+                    || e.getBlock().getLocation().getBlockX() == (int)g.getBoundingBox().getMaxX() - 1
+                    || e.getBlock().getLocation().getBlockZ() == (int)g.getBoundingBox().getMinZ()
+                    || e.getBlock().getLocation().getBlockZ() == (int)g.getBoundingBox().getMaxZ() - 1
                     ) {
                 user.sendMessage("greenhouses.broken");
                 plugin.getManager().getMap().removeGreenhouse(g);