diff --git a/build.gradle b/build.gradle
index 677fb97..2190753 100644
--- a/build.gradle
+++ b/build.gradle
@@ -97,7 +97,10 @@ tasks.build.dependsOn('sourceJar', 'deobfJar')
 
 processResources 
 {
-	// First we just copy in the mcmod.info file
+	inputs.property "mod_version", project.config.mod_version
+	inputs.property "tfc_version", project.config.tfc_version
+    inputs.property "minecraft_version", project.config.minecraft_version
+	
 	from(sourceSets.main.resources.srcDirs) 
 	{
         include '**/*.info'
diff --git a/build.prop b/build.prop
index feea7d3..dfc334e 100644
--- a/build.prop
+++ b/build.prop
@@ -1,6 +1,6 @@
 minecraft_version=1.7.10
 forge_version=10.13.4.1566-1.7.10
 tfc_version=0.79.27
-mod_version=1.18
+mod_version=1.19
 mod_id=TerraFirmaPunkTweaks
 group_name=com.JAWolfe.TerraFirmaPunkTweaks
\ No newline at end of file
diff --git a/builds/TerraFirmaPunkTweaks-1.7.10-1.19.jar b/builds/TerraFirmaPunkTweaks-1.7.10-1.19.jar
new file mode 100644
index 0000000..2143d47
Binary files /dev/null and b/builds/TerraFirmaPunkTweaks-1.7.10-1.19.jar differ
diff --git a/changelog.txt b/changelog.txt
index a949531..171bce0 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,5 +1,11 @@
 Changelog
 =================================================
+-------------------------------------------------
+TFP Tweaks 1.19
+-------------------------------------------------
+Bug Fix
++Fixed Forestry Backpack duping vanilla chests
+
 -------------------------------------------------
 TFP Tweaks 1.18
 -------------------------------------------------
diff --git a/src/main/java/com/JAWolfe/terrafirmapunktweaks/handlers/PlayerInteractionHandler.java b/src/main/java/com/JAWolfe/terrafirmapunktweaks/handlers/PlayerInteractionHandler.java
index 9bf2f9f..4bf8d65 100644
--- a/src/main/java/com/JAWolfe/terrafirmapunktweaks/handlers/PlayerInteractionHandler.java
+++ b/src/main/java/com/JAWolfe/terrafirmapunktweaks/handlers/PlayerInteractionHandler.java
@@ -13,6 +13,7 @@ import cpw.mods.fml.common.Loader;
 import cpw.mods.fml.common.eventhandler.SubscribeEvent;
 import cpw.mods.fml.common.eventhandler.Event.Result;
 import flaxbeard.steamcraft.SteamcraftBlocks;
+import forestry.api.storage.BackpackStowEvent;
 import net.minecraft.block.Block;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.entity.item.EntityItem;
@@ -31,24 +32,44 @@ public class PlayerInteractionHandler
 {	
 	@SubscribeEvent
 	public void onItemPickup(EntityItemPickupEvent event)
-	{
-		EntityItem item = event.item;
-		ItemStack is = item.getEntityItem();
-		EntityPlayer player = event.entityPlayer;
-		Item droppedItem = is.getItem();
-		
-		if(droppedItem.equals(Item.getItemFromBlock(Blocks.chest)) && ConfigSettings.VanillaChestConversion)
+	{		
+		if(event.item.getEntityItem().getItem().equals(Item.getItemFromBlock(Blocks.chest)) &&
+				ConfigSettings.VanillaChestConversion)
 		{	
+			EntityItem item = event.item;
+			EntityPlayer player = event.entityPlayer;
+			
 			item.delayBeforeCanPickup = 100;
 			item.setDead();
 			item.setInvisible(true);
 			Random rand = player.worldObj.rand;
 			player.worldObj.playSoundAtEntity(player, "random.pop", 0.2F, ((rand.nextFloat() - rand.nextFloat()) * 0.7F + 1.0F) * 2.0F);
-			
-			player.inventory.addItemStackToInventory(new ItemStack(TFCBlocks.chest, 1, 0));
+
+			if(item.getEntityItem().stackSize == 0)
+				player.inventory.addItemStackToInventory(new ItemStack(TFCBlocks.chest));
+			else
+				player.inventory.addItemStackToInventory(new ItemStack(TFCBlocks.chest, item.getEntityItem().stackSize));
+
+			for(int i = 0; i < player.inventory.getSizeInventory(); i++)
+			{
+				ItemStack is = player.inventory.getStackInSlot(i);
+				
+				if(is != null && is.getItem().equals(Item.getItemFromBlock(Blocks.chest)))
+				{
+					player.inventory.setInventorySlotContents(i, new ItemStack(TFCBlocks.chest, is.stackSize - 1));
+				}
+			}
 		}
 	}
 	
+	@SubscribeEvent
+	public void stowItemBackpack(BackpackStowEvent event)
+	{
+		if(event.stackToStow != null && event.stackToStow.getItem().equals(Item.getItemFromBlock(Blocks.chest))  &&
+				ConfigSettings.VanillaChestConversion)
+			event.setCanceled(true);
+	}
+	
 	@SubscribeEvent
 	public void onFillBucket(FillBucketEvent event)
 	{