diff --git a/1.10.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketCRequestTEOwnableUpdate.java b/1.10.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketCRequestTEOwnableUpdate.java
index c955dee50..d3653197b 100644
--- a/1.10.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketCRequestTEOwnableUpdate.java
+++ b/1.10.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketCRequestTEOwnableUpdate.java
@@ -2,6 +2,7 @@
 
 import io.netty.buffer.ByteBuf;
 import net.geforcemods.securitycraft.tileentity.TileEntityOwnable;
+import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.math.BlockPos;
 import net.minecraftforge.fml.common.FMLCommonHandler;
 import net.minecraftforge.fml.common.network.simpleimpl.IMessage;
@@ -54,10 +55,10 @@ public static class Handler implements IMessageHandler<PacketCRequestTEOwnableUp
 		@Override
 		public PacketSUpdateTEOwnable onMessage(PacketCRequestTEOwnableUpdate message, MessageContext ctx)
 		{
-			TileEntityOwnable te = (TileEntityOwnable)FMLCommonHandler.instance().getMinecraftServerInstance().worldServerForDimension(message.dimension).getTileEntity(message.pos);
+			TileEntity te = FMLCommonHandler.instance().getMinecraftServerInstance().worldServerForDimension(message.dimension).getTileEntity(message.pos);
 
-			if(te != null)
-				return new PacketSUpdateTEOwnable(te);
+			if(te != null && te instanceof TileEntityOwnable)
+				return new PacketSUpdateTEOwnable((TileEntityOwnable)te);
 			else
 				return null;
 		}
diff --git a/1.10.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketSUpdateTEOwnable.java b/1.10.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketSUpdateTEOwnable.java
index 77bfdb9cd..d30b2faa4 100644
--- a/1.10.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketSUpdateTEOwnable.java
+++ b/1.10.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketSUpdateTEOwnable.java
@@ -5,6 +5,7 @@
 import net.geforcemods.securitycraft.tileentity.TileEntityOwnable;
 import net.minecraft.client.Minecraft;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.math.BlockPos;
 import net.minecraftforge.fml.common.network.ByteBufUtils;
 import net.minecraftforge.fml.common.network.simpleimpl.IMessage;
@@ -66,9 +67,12 @@ public static class Handler implements IMessageHandler<PacketSUpdateTEOwnable, I
 		public IMessage onMessage(final PacketSUpdateTEOwnable message, MessageContext ctx)
 		{
 			Minecraft.getMinecraft().addScheduledTask(() -> {
-				TileEntityOwnable te = ((TileEntityOwnable)Minecraft.getMinecraft().theWorld.getTileEntity(message.pos));
+				TileEntity te = Minecraft.getMinecraft().theWorld.getTileEntity(message.pos);
 
-				te.setOwner(message.uuid, message.name);
+				if(!(te instanceof TileEntityOwnable))
+					return;
+
+				((TileEntityOwnable)te).setOwner(message.uuid, message.name);
 
 				if(message.customizable)
 					((CustomizableSCTE)te).readFromNBT(message.tag);
diff --git a/1.11.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketCRequestTEOwnableUpdate.java b/1.11.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketCRequestTEOwnableUpdate.java
index c955dee50..d3653197b 100644
--- a/1.11.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketCRequestTEOwnableUpdate.java
+++ b/1.11.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketCRequestTEOwnableUpdate.java
@@ -2,6 +2,7 @@
 
 import io.netty.buffer.ByteBuf;
 import net.geforcemods.securitycraft.tileentity.TileEntityOwnable;
+import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.math.BlockPos;
 import net.minecraftforge.fml.common.FMLCommonHandler;
 import net.minecraftforge.fml.common.network.simpleimpl.IMessage;
@@ -54,10 +55,10 @@ public static class Handler implements IMessageHandler<PacketCRequestTEOwnableUp
 		@Override
 		public PacketSUpdateTEOwnable onMessage(PacketCRequestTEOwnableUpdate message, MessageContext ctx)
 		{
-			TileEntityOwnable te = (TileEntityOwnable)FMLCommonHandler.instance().getMinecraftServerInstance().worldServerForDimension(message.dimension).getTileEntity(message.pos);
+			TileEntity te = FMLCommonHandler.instance().getMinecraftServerInstance().worldServerForDimension(message.dimension).getTileEntity(message.pos);
 
-			if(te != null)
-				return new PacketSUpdateTEOwnable(te);
+			if(te != null && te instanceof TileEntityOwnable)
+				return new PacketSUpdateTEOwnable((TileEntityOwnable)te);
 			else
 				return null;
 		}
diff --git a/1.11.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketSUpdateTEOwnable.java b/1.11.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketSUpdateTEOwnable.java
index 668532d47..6f82c909a 100644
--- a/1.11.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketSUpdateTEOwnable.java
+++ b/1.11.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketSUpdateTEOwnable.java
@@ -5,6 +5,7 @@
 import net.geforcemods.securitycraft.tileentity.TileEntityOwnable;
 import net.minecraft.client.Minecraft;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.math.BlockPos;
 import net.minecraftforge.fml.common.network.ByteBufUtils;
 import net.minecraftforge.fml.common.network.simpleimpl.IMessage;
@@ -66,9 +67,12 @@ public static class Handler implements IMessageHandler<PacketSUpdateTEOwnable, I
 		public IMessage onMessage(final PacketSUpdateTEOwnable message, MessageContext ctx)
 		{
 			Minecraft.getMinecraft().addScheduledTask(() -> {
-				TileEntityOwnable te = ((TileEntityOwnable)Minecraft.getMinecraft().world.getTileEntity(message.pos));
+				TileEntity te = Minecraft.getMinecraft().world.getTileEntity(message.pos);
 
-				te.setOwner(message.uuid, message.name);
+				if(!(te instanceof TileEntityOwnable))
+					return;
+
+				((TileEntityOwnable)te).setOwner(message.uuid, message.name);
 
 				if(message.customizable)
 					((CustomizableSCTE)te).readFromNBT(message.tag);
diff --git a/1.12.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketCRequestTEOwnableUpdate.java b/1.12.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketCRequestTEOwnableUpdate.java
index 36954f692..86d213432 100644
--- a/1.12.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketCRequestTEOwnableUpdate.java
+++ b/1.12.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketCRequestTEOwnableUpdate.java
@@ -2,6 +2,7 @@
 
 import io.netty.buffer.ByteBuf;
 import net.geforcemods.securitycraft.tileentity.TileEntityOwnable;
+import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.math.BlockPos;
 import net.minecraftforge.fml.common.FMLCommonHandler;
 import net.minecraftforge.fml.common.network.simpleimpl.IMessage;
@@ -54,10 +55,10 @@ public static class Handler implements IMessageHandler<PacketCRequestTEOwnableUp
 		@Override
 		public PacketSUpdateTEOwnable onMessage(PacketCRequestTEOwnableUpdate message, MessageContext ctx)
 		{
-			TileEntityOwnable te = (TileEntityOwnable)FMLCommonHandler.instance().getMinecraftServerInstance().getWorld(message.dimension).getTileEntity(message.pos);
+			TileEntity te = FMLCommonHandler.instance().getMinecraftServerInstance().getWorld(message.dimension).getTileEntity(message.pos);
 
-			if(te != null)
-				return new PacketSUpdateTEOwnable(te);
+			if(te != null && te instanceof TileEntityOwnable)
+				return new PacketSUpdateTEOwnable((TileEntityOwnable)te);
 			else
 				return null;
 		}
diff --git a/1.12.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketSUpdateTEOwnable.java b/1.12.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketSUpdateTEOwnable.java
index 668532d47..6f82c909a 100644
--- a/1.12.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketSUpdateTEOwnable.java
+++ b/1.12.2/src/main/java/net/geforcemods/securitycraft/network/packets/PacketSUpdateTEOwnable.java
@@ -5,6 +5,7 @@
 import net.geforcemods.securitycraft.tileentity.TileEntityOwnable;
 import net.minecraft.client.Minecraft;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.math.BlockPos;
 import net.minecraftforge.fml.common.network.ByteBufUtils;
 import net.minecraftforge.fml.common.network.simpleimpl.IMessage;
@@ -66,9 +67,12 @@ public static class Handler implements IMessageHandler<PacketSUpdateTEOwnable, I
 		public IMessage onMessage(final PacketSUpdateTEOwnable message, MessageContext ctx)
 		{
 			Minecraft.getMinecraft().addScheduledTask(() -> {
-				TileEntityOwnable te = ((TileEntityOwnable)Minecraft.getMinecraft().world.getTileEntity(message.pos));
+				TileEntity te = Minecraft.getMinecraft().world.getTileEntity(message.pos);
 
-				te.setOwner(message.uuid, message.name);
+				if(!(te instanceof TileEntityOwnable))
+					return;
+
+				((TileEntityOwnable)te).setOwner(message.uuid, message.name);
 
 				if(message.customizable)
 					((CustomizableSCTE)te).readFromNBT(message.tag);