diff --git a/src/main/java/net/brokenmoon/afloydwiremod/api/AbstractWireTileEntity.java b/src/main/java/net/brokenmoon/afloydwiremod/api/AbstractWireTileEntity.java
index 01102ab..e45a9d8 100644
--- a/src/main/java/net/brokenmoon/afloydwiremod/api/AbstractWireTileEntity.java
+++ b/src/main/java/net/brokenmoon/afloydwiremod/api/AbstractWireTileEntity.java
@@ -103,31 +103,31 @@ public abstract class AbstractWireTileEntity extends TileEntity {
     public void prepForDelete() {
         if(outputs != null) {
             for (int i = 0; i < outputs.length; ++i) {
-                if (outputs[i].wire != null && outputs[i].wire.thisslot > -1) {
+                if (outputs[i].wire != null) {
                     WireConnection wire = outputs[i].wire;
                     AbstractWireTileEntity otherChip = (AbstractWireTileEntity)this.worldObj.getBlockTileEntity(wire.x, wire.y, wire.z);
-                    if(otherChip != null && otherChip.outputs != null) {
+                    if(otherChip != null) {
                         outputs[i].floatvalue = 0;
                         outputs[i].stringvalue = "";
                         outputs[i].wire.isMade = false;
-                        otherChip.inputs[wire.thatslot].wire.isMade = false;
+                        otherChip.inputs[wire.thatslot].wire = new WireConnection();
                         this.updateIO();
                         otherChip.updateIO();
-                        worldObj.markBlockNeedsUpdate(xCoord, yCoord, zCoord);
-                        worldObj.markBlockNeedsUpdate(wire.x, wire.y, wire.z);
                     }
+                    worldObj.markBlockNeedsUpdate(wire.x, wire.y, wire.z);
                 }
             }
         }
         if(inputs != null) {
             for (int i = 0; i < inputs.length; ++i) {
-                if (inputs[i].wire != null && inputs[i].wire.thisslot > -1) {
+                if (inputs[i].wire != null) {
                     WireConnection wire = inputs[i].wire;
                     AbstractWireTileEntity otherChip = (AbstractWireTileEntity)this.worldObj.getBlockTileEntity(wire.x, wire.y, wire.z);
-                    if(otherChip != null && otherChip.outputs != null && otherChip.outputs.length > wire.thatslot) {
-                        otherChip.outputs[wire.thatslot].wire.isMade = false;
+                    if(otherChip != null) {
+                        otherChip.outputs[wire.thatslot].wire = new WireConnection();
                         otherChip.updateIO();
                     }
+                    worldObj.markBlockNeedsUpdate(wire.x, wire.y, wire.z);
                 }
             }
         }
diff --git a/src/main/java/net/brokenmoon/afloydwiremod/mixin/MixinNetServerHandler.java b/src/main/java/net/brokenmoon/afloydwiremod/mixin/MixinNetServerHandler.java
index 7328d45..593e94b 100644
--- a/src/main/java/net/brokenmoon/afloydwiremod/mixin/MixinNetServerHandler.java
+++ b/src/main/java/net/brokenmoon/afloydwiremod/mixin/MixinNetServerHandler.java
@@ -57,7 +57,7 @@ public class MixinNetServerHandler implements INetHandler {
                 break;
             case 1:
                 AbstractWireTileEntity otherEntity;
-                if(!packet.backwired) {
+                if(packet.backwired) {
                     otherEntity = (AbstractWireTileEntity)this.mcServer.getWorldManager(this.playerEntity.dimension).getBlockTileEntity(packet.x1, packet.y1, packet.z1);
                     otherEntity.inputs[packet.slot2].wire = new WireConnection(packet.x2, packet.y2, packet.z2, packet.slot1, packet.slot2);
                 } else{
diff --git a/src/main/java/net/brokenmoon/afloydwiremod/tileentity/ChipTileEntity.java b/src/main/java/net/brokenmoon/afloydwiremod/tileentity/ChipTileEntity.java
index c500841..171ad9b 100644
--- a/src/main/java/net/brokenmoon/afloydwiremod/tileentity/ChipTileEntity.java
+++ b/src/main/java/net/brokenmoon/afloydwiremod/tileentity/ChipTileEntity.java
@@ -375,6 +375,7 @@ public class ChipTileEntity extends AbstractWireTileEntity {
                     break;
             }
             initialized = true;
+            worldObj.markBlockNeedsUpdate(xCoord, yCoord, zCoord);
             update();
         }
     }