diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/MatteryBlockEntity.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/MatteryBlockEntity.kt
index 8b187d490..31fe08a0a 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/MatteryBlockEntity.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/MatteryBlockEntity.kt
@@ -27,7 +27,12 @@ abstract class MatteryBlockEntity(
 	p_155230_: BlockState
 ) : SynchronizedBlockEntity(p_155228_, p_155229_, p_155230_), MenuProvider, IRedstoneControlProvider {
 	var customDisplayName: Component? = null
-	override val redstoneControl: AbstractRedstoneControl = RedstoneControl(::redstoneStatusUpdated)
+	override val redstoneControl: AbstractRedstoneControl = RedstoneControl { new, old ->
+		if (new != old)
+			redstoneStatusUpdated(new, old)
+		else
+			setChangedLight()
+	}
 
 	protected open val defaultDisplayName: Component
 		get() = level?.getBlockState(blockPos)?.block?.name ?: TextComponent("null at $blockPos")
diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/RedstoneControl.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/RedstoneControl.kt
index 68a45e1df..5e112c7ae 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/RedstoneControl.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/RedstoneControl.kt
@@ -43,23 +43,20 @@ abstract class AbstractRedstoneControl : INBTSerializable<CompoundTag> {
 class RedstoneControl(private val valueChanges: (new: Boolean, old: Boolean) -> Unit) : AbstractRedstoneControl() {
 	override var redstoneSetting: RedstoneSetting = RedstoneSetting.LOW
 		set(level) {
+			if (level == field) return
 			val old = isBlockedByRedstone
 			field = level
 			val state = isBlockedByRedstone
-
-			if (old != state) {
-				valueChanges.invoke(state, old)
-			}
+			valueChanges.invoke(state, old)
 		}
 
 	override var redstoneSignal: Int = 0
 		set(setting) {
+			if (setting == field) return
 			val old = isBlockedByRedstone
 			field = setting
 			val state = isBlockedByRedstone
-			if (old != state) {
-				valueChanges.invoke(state, old)
-			}
+			valueChanges.invoke(state, old)
 		}
 }
 
@@ -71,30 +68,26 @@ class SynchronizedRedstoneControl(
 	constructor(synchronizer: FieldSynchronizer, valueChanges: (new: Boolean, old: Boolean) -> Unit) : this(synchronizer, "", valueChanges)
 
 	override var redstoneSetting: RedstoneSetting by synchronizer.enum(RedstoneSetting.LOW, setter = { value, access, setByRemote ->
+		if (access.read() == value) return@enum
 		if (setByRemote) {
 			access.write(value)
 		} else {
 			val old = isBlockedByRedstone
 			access.write(value)
 			val state = isBlockedByRedstone
-
-			if (old != state) {
-				valueChanges.invoke(state, old)
-			}
+			valueChanges.invoke(state, old)
 		}
 	}, name = if (fieldNamePrefix != null) "${fieldNamePrefix}_redstoneSetting" else null, writeByIndices = true)
 
 	override var redstoneSignal: Int by synchronizer.int(0, setter = { value, access, setByRemote ->
+		if (access.read() == value) return@int
 		if (setByRemote) {
 			access.write(value)
 		} else {
 			val old = isBlockedByRedstone
 			access.write(value)
 			val state = isBlockedByRedstone
-
-			if (old != state) {
-				valueChanges.invoke(state, old)
-			}
+			valueChanges.invoke(state, old)
 		}
 	}, name = if (fieldNamePrefix != null) "${fieldNamePrefix}_redstoneSignal" else null)
 }
diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/decorative/HoloSignBlockEntity.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/decorative/HoloSignBlockEntity.kt
index f5b3abfbc..9429d3251 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/decorative/HoloSignBlockEntity.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/decorative/HoloSignBlockEntity.kt
@@ -17,7 +17,7 @@ import ru.dbotthepony.mc.otm.registry.MBlockEntities
 import ru.dbotthepony.mc.otm.registry.MBlocks
 
 class HoloSignBlockEntity(blockPos: BlockPos, blockState: BlockState) : SynchronizedBlockEntity(MBlockEntities.HOLO_SIGN, blockPos, blockState), MenuProvider, IRedstoneControlProvider {
-	override val redstoneControl = SynchronizedRedstoneControl(synchronizer) { _, _ -> }
+	override val redstoneControl = SynchronizedRedstoneControl(synchronizer) { _, _ -> setChanged() }
 
 	var text by synchronizer.string("", name = "text", setter = { value, access, remote ->
 		setChanged()