diff --git a/src/main/java/openblocks/client/SoundEventsManager.java b/src/main/java/openblocks/client/SoundEventsManager.java
index b5df3af4..2011af7f 100644
--- a/src/main/java/openblocks/client/SoundEventsManager.java
+++ b/src/main/java/openblocks/client/SoundEventsManager.java
@@ -11,6 +11,7 @@ import net.minecraft.client.renderer.texture.TextureManager;
 import net.minecraft.client.renderer.texture.TextureMap;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.inventory.EntityEquipmentSlot;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.math.MathHelper;
@@ -82,7 +83,7 @@ public class SoundEventsManager {
 
 	public static boolean isEntityWearingGlasses(Entity e) {
 		if (e instanceof EntityPlayer) {
-			ItemStack helmet = ((EntityPlayer)e).inventory.armorInventory[3];
+			ItemStack helmet = ((EntityPlayer)e).getItemStackFromSlot(EntityEquipmentSlot.HEAD);
 			return helmet != null
 					&& helmet.getItem() instanceof ItemSonicGlasses;
 		}
diff --git a/src/main/java/openblocks/common/tileentity/TileEntityImaginary.java b/src/main/java/openblocks/common/tileentity/TileEntityImaginary.java
index f17e69e3..68f83bdf 100644
--- a/src/main/java/openblocks/common/tileentity/TileEntityImaginary.java
+++ b/src/main/java/openblocks/common/tileentity/TileEntityImaginary.java
@@ -3,6 +3,7 @@ package openblocks.common.tileentity;
 import com.google.common.base.Preconditions;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.inventory.EntityEquipmentSlot;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
@@ -144,7 +145,7 @@ public class TileEntityImaginary extends OpenTileEntity implements ICustomPickIt
 		if (what == Property.VISIBLE && player.isSpectator()) return true;
 		if (what == Property.SOLID && isPencil()) return true;
 
-		ItemStack helmet = player.inventory.armorInventory[3];
+		final ItemStack helmet = player.getItemStackFromSlot(EntityEquipmentSlot.HEAD);
 
 		if (helmet == null) return isInverted();