diff --git a/src/main/kotlin/net/shadowfacts/extrahoppers/block/inverted/TileEntityInvertedHopper.kt b/src/main/kotlin/net/shadowfacts/extrahoppers/block/inverted/TileEntityInvertedHopper.kt
index 906ae15..75b2edc 100644
--- a/src/main/kotlin/net/shadowfacts/extrahoppers/block/inverted/TileEntityInvertedHopper.kt
+++ b/src/main/kotlin/net/shadowfacts/extrahoppers/block/inverted/TileEntityInvertedHopper.kt
@@ -18,7 +18,7 @@ import net.shadowfacts.forgelin.extensions.isEmpty
 /**
  * @author shadowfacts
  */
-class TileEntityInvertedHopper: TileEntityHopperBase(), ITickable {
+class TileEntityInvertedHopper: TileEntityHopperBase(true), ITickable {
 
 	companion object {
 		val COOLDOWN = 8
diff --git a/src/main/kotlin/net/shadowfacts/extrahoppers/block/wooden/TileEntityWoodenHopper.kt b/src/main/kotlin/net/shadowfacts/extrahoppers/block/wooden/TileEntityWoodenHopper.kt
index 660618d..9c7aef8 100644
--- a/src/main/kotlin/net/shadowfacts/extrahoppers/block/wooden/TileEntityWoodenHopper.kt
+++ b/src/main/kotlin/net/shadowfacts/extrahoppers/block/wooden/TileEntityWoodenHopper.kt
@@ -17,7 +17,7 @@ import net.shadowfacts.forgelin.extensions.get
 /**
  * @author shadowfacts
  */
-class TileEntityWoodenHopper: TileEntityHopperBase(), ITickable {
+class TileEntityWoodenHopper(inverted: Boolean): TileEntityHopperBase(inverted), ITickable {
 
 	companion object {
 		val COOLDOWN = 24
@@ -27,6 +27,8 @@ class TileEntityWoodenHopper: TileEntityHopperBase(), ITickable {
 
 	var cooldown = COOLDOWN
 
+	constructor(): this(false)
+
 	override fun update() {
 		if (!world.isRemote) {
 			if (isPowered()) return
diff --git a/src/main/kotlin/net/shadowfacts/extrahoppers/block/wooden_fluid/TileEntityWoodenFluidHopper.kt b/src/main/kotlin/net/shadowfacts/extrahoppers/block/wooden_fluid/TileEntityWoodenFluidHopper.kt
index 8687cab..a2d82b1 100644
--- a/src/main/kotlin/net/shadowfacts/extrahoppers/block/wooden_fluid/TileEntityWoodenFluidHopper.kt
+++ b/src/main/kotlin/net/shadowfacts/extrahoppers/block/wooden_fluid/TileEntityWoodenFluidHopper.kt
@@ -7,7 +7,9 @@ import net.shadowfacts.extrahoppers.block.fluid.TileEntityFluidHopper
 /**
  * @author shadowfacts
  */
-class TileEntityWoodenFluidHopper: TileEntityFluidHopper() {
+class TileEntityWoodenFluidHopper(inverted: Boolean): TileEntityFluidHopper(inverted) {
+
+	constructor(): this(false)
 
 	override val fluidValiator: (FluidStack) -> Boolean = { it.fluid.temperature <= EHConfig.wfhMaxTemperature }