diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/BlockEntityChemicalGenerator.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/BlockEntityChemicalGenerator.kt
index 57d69ca6f..207ac86b1 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/BlockEntityChemicalGenerator.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/BlockEntityChemicalGenerator.kt
@@ -251,7 +251,7 @@ class BlockEntityChemicalGenerator(pos: BlockPos, state: BlockState) : BlockEnti
 			if (!container.getItem(0).isEmpty) {
 				val ticks = ForgeHooks.getBurnTime(container.getItem(0), null)
 
-				if (ticks >= 4 && (energy.batteryLevel.isZero() || GENERATION_SPEED * (ticks / 4) + energy.batteryLevel < energy.maxBatteryLevel)) {
+				if (ticks >= 4 && (energy.batteryLevel < Fraction.ONE || GENERATION_SPEED * (ticks / 4) + energy.batteryLevel < energy.maxBatteryLevel)) {
 					working_ticks_total = ticks / 4
 					working_ticks = ticks / 4
 					container.getItem(0).shrink(1)