diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/worldgen/placement/AbstractEnormousPlacement.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/worldgen/placement/AbstractEnormousPlacement.kt
index 750d6263b..b785e5408 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/worldgen/placement/AbstractEnormousPlacement.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/worldgen/placement/AbstractEnormousPlacement.kt
@@ -103,7 +103,7 @@ abstract class AbstractEnormousPlacement(val parameters: Parameters) : Placement
 		val PARAMETERS_CODEC: MapCodec<Parameters> = RecordCodecBuilder.mapCodec {
 			it.group(
 				Codec.INT.minRange(0).fieldOf("chunk_scan_range").forGetter(Parameters::chunkScanRange),
-				Codec.LONG.validate { if (it == 0L) DataResult.error { "Due to technical limitations, seed_mix can not be zero" } else DataResult.success(it) }.fieldOf("seed_mix").forGetter(Parameters::seedMix),
+				Codec.LONG.fieldOf("seed_mix").forGetter(Parameters::seedMix),
 				CODEC.listOf().fieldOf("placement").forGetter(Parameters::placementModifiers),
 			).apply(it, ::Parameters)
 		}