diff --git a/src/main/java/openblocks/common/tileentity/TileEntitySprinkler.java b/src/main/java/openblocks/common/tileentity/TileEntitySprinkler.java
index 9c763bbcd..8c6cb53a7 100644
--- a/src/main/java/openblocks/common/tileentity/TileEntitySprinkler.java
+++ b/src/main/java/openblocks/common/tileentity/TileEntitySprinkler.java
@@ -98,6 +98,7 @@ public void usePlayer(OpenModsFakePlayer fakePlayer) {
                     for (int i = -1; i <= 1; i++) {
                         int y = yCoord + i;
 
+						if (!worldObj.blockExists(x, y, z)) break;
                         if (ItemDye.applyBonemeal(BONEMEAL.copy(), worldObj, x, y, z, fakePlayer)) break;
 
                     }