diff --git a/src/main/java/de/bixilon/minosoft/data/container/slots/FuelSlotType.kt b/src/main/java/de/bixilon/minosoft/data/container/slots/FuelSlotType.kt
index 9621bc30c..5036302d5 100644
--- a/src/main/java/de/bixilon/minosoft/data/container/slots/FuelSlotType.kt
+++ b/src/main/java/de/bixilon/minosoft/data/container/slots/FuelSlotType.kt
@@ -13,5 +13,21 @@
 
 package de.bixilon.minosoft.data.container.slots
 
+import de.bixilon.minosoft.data.container.Container
+import de.bixilon.minosoft.data.container.stack.ItemStack
+import de.bixilon.minosoft.data.registries.fluid.DefaultFluids
+import de.bixilon.minosoft.data.registries.items.bucket.BucketItem
+
 @Deprecated("ToDo")
-object FuelSlotType : SlotType
+object FuelSlotType : SlotType {
+
+    override fun canPut(container: Container, slot: Int, stack: ItemStack): Boolean {
+        val item = stack.item.item
+
+        if (item is BucketItem && item.fluid.resourceLocation == DefaultFluids.LAVA) {
+            return true
+        }
+        // ToDo: get from registries (misc/fuel_time)
+        return super.canPut(container, slot, stack)
+    }
+}