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 2fbd9561a..bc4adde43 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
@@ -65,9 +65,11 @@ class RedstoneControl(private val valueChanges: (new: Boolean, old: Boolean) ->
 
 class SynchronizedRedstoneControl(
 	synchronizer: FieldSynchronizer,
+	fieldNamePrefix: String?,
 	private val valueChanges: (new: Boolean, old: Boolean) -> Unit,
-	fieldNamePrefix: String? = null
 ) : AbstractRedstoneControl() {
+	constructor(synchronizer: FieldSynchronizer, valueChanges: (new: Boolean, old: Boolean) -> Unit) : this(synchronizer, null, valueChanges)
+
 	override var redstoneSetting: RedstoneSetting by synchronizer.enum(RedstoneSetting.LOW, setter = { value, access, setByRemote ->
 		if (setByRemote) {
 			access.write(value)
@@ -80,7 +82,7 @@ class SynchronizedRedstoneControl(
 				valueChanges.invoke(state, old)
 			}
 		}
-	})
+	}, name = if (fieldNamePrefix != null) "${fieldNamePrefix}_redstoneSetting" else null)
 
 	override var redstoneSignal: Int by synchronizer.int(0, setter = { value, access, setByRemote ->
 		if (setByRemote) {
@@ -94,5 +96,5 @@ class SynchronizedRedstoneControl(
 				valueChanges.invoke(state, old)
 			}
 		}
-	})
+	}, name = if (fieldNamePrefix != null) "${fieldNamePrefix}_redstoneSignal" else null)
 }