diff --git a/gradle.properties b/gradle.properties
index 0729f42ce..958c46be6 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,7 +2,7 @@ org.gradle.jvmargs=-Xmx3G
 
 minecraft_base_version=1.12
 minecraft_version=1.12.2
-mod_version=5.4.0
+mod_version=5.4.1
 chameleon_version=4.1.0
 chameleon_max_version=5.0.0
 
diff --git a/src/com/jaquadro/minecraft/storagedrawers/block/BlockDrawersCustom.java b/src/com/jaquadro/minecraft/storagedrawers/block/BlockDrawersCustom.java
index 860f37083..a2db8ee14 100644
--- a/src/com/jaquadro/minecraft/storagedrawers/block/BlockDrawersCustom.java
+++ b/src/com/jaquadro/minecraft/storagedrawers/block/BlockDrawersCustom.java
@@ -1,8 +1,10 @@
 package com.jaquadro.minecraft.storagedrawers.block;
 
 import com.jaquadro.minecraft.chameleon.block.properties.UnlistedModelData;
+import com.jaquadro.minecraft.storagedrawers.StorageDrawers;
 import com.jaquadro.minecraft.storagedrawers.api.storage.BlockType;
 import com.jaquadro.minecraft.storagedrawers.api.storage.EnumBasicDrawer;
+import com.jaquadro.minecraft.storagedrawers.api.storage.IDrawer;
 import com.jaquadro.minecraft.storagedrawers.block.modeldata.MaterialModelData;
 import com.jaquadro.minecraft.storagedrawers.block.tile.TileEntityDrawers;
 import com.jaquadro.minecraft.storagedrawers.item.ItemCustomDrawers;
@@ -73,7 +75,20 @@ protected ItemStack getMainDrop (IBlockAccess world, BlockPos pos, IBlockState s
         if (data == null)
             data = new NBTTagCompound();
 
-        if (tile.isSealed()) {
+        boolean hasContents = false;
+        if (StorageDrawers.config.cache.keepContentsOnBreak) {
+            for (int i = 0; i < tile.getGroup().getDrawerCount(); i++) {
+                IDrawer drawer = tile.getGroup().getDrawer(i);
+                if (drawer != null && !drawer.isEmpty())
+                    hasContents = true;
+            }
+            for (int i = 0; i < tile.upgrades().getSlotCount(); i++) {
+                if (!tile.upgrades().getUpgrade(i).isEmpty())
+                    hasContents = true;
+            }
+        }
+
+        if (tile.isSealed() || (StorageDrawers.config.cache.keepContentsOnBreak && hasContents)) {
             NBTTagCompound tiledata = new NBTTagCompound();
             tile.writeToNBT(tiledata);
             data.setTag("tile", tiledata);
diff --git a/src/com/jaquadro/minecraft/storagedrawers/block/tile/tiledata/FractionalDrawerGroup.java b/src/com/jaquadro/minecraft/storagedrawers/block/tile/tiledata/FractionalDrawerGroup.java
index 2c09efae2..f99b3fcf3 100644
--- a/src/com/jaquadro/minecraft/storagedrawers/block/tile/tiledata/FractionalDrawerGroup.java
+++ b/src/com/jaquadro/minecraft/storagedrawers/block/tile/tiledata/FractionalDrawerGroup.java
@@ -388,7 +388,7 @@ public boolean isEnabled (int slot) {
         }
 
         public boolean canItemBeStored (int slot, @Nonnull ItemStack itemPrototype, Predicate<ItemStack> predicate) {
-            if (protoStack[slot].isEmpty() && !attrs.isItemLocked(LockAttribute.LOCK_EMPTY))
+            if (protoStack[slot].isEmpty() && protoStack[0].isEmpty() && !attrs.isItemLocked(LockAttribute.LOCK_EMPTY))
                 return true;
 
             if (predicate == null)
diff --git a/src/com/jaquadro/minecraft/storagedrawers/capabilities/DrawerItemHandler.java b/src/com/jaquadro/minecraft/storagedrawers/capabilities/DrawerItemHandler.java
index 247519a8a..bcedf9d42 100644
--- a/src/com/jaquadro/minecraft/storagedrawers/capabilities/DrawerItemHandler.java
+++ b/src/com/jaquadro/minecraft/storagedrawers/capabilities/DrawerItemHandler.java
@@ -92,7 +92,7 @@ private ItemStack insertItemInternal (int slot, @Nonnull ItemStack stack, boolea
             return stack;
 
         if (drawer.isEmpty() && !simulate)
-            drawer.setStoredItem(stack);
+            drawer = drawer.setStoredItem(stack);
 
         boolean empty = drawer.isEmpty();
         int remainder = (simulate)
diff --git a/src/com/jaquadro/minecraft/storagedrawers/item/ItemDrawers.java b/src/com/jaquadro/minecraft/storagedrawers/item/ItemDrawers.java
index e8b37907b..75495a0c9 100644
--- a/src/com/jaquadro/minecraft/storagedrawers/item/ItemDrawers.java
+++ b/src/com/jaquadro/minecraft/storagedrawers/item/ItemDrawers.java
@@ -69,6 +69,11 @@ public boolean placeBlockAt (@Nonnull ItemStack stack, EntityPlayer player, Worl
         return true;
     }
 
+    @Override
+    public int getItemBurnTime (ItemStack itemStack) {
+        return 0;
+    }
+
     @Override
     @SideOnly(Side.CLIENT)
     public void addInformation (@Nonnull ItemStack itemStack, @Nullable World world, List<String> list, ITooltipFlag advanced) {