diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/menu/MatteryMenu.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/menu/MatteryMenu.kt
index 572c30eb7..89c3636fe 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/menu/MatteryMenu.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/menu/MatteryMenu.kt
@@ -291,7 +291,7 @@ abstract class MatteryMenu(
 
 			chargeFlag = GetterSetter.of(
 				getter = { slotIndex in mattery.slotsChargeFlag },
-				setter = booleanInput(true) { if (it) mattery.slotsChargeFlag.add(slotIndex) else mattery.slotsChargeFlag.remove(slotIndex) }::accept
+				setter = booleanInput(true) { if (mattery.hasExopack) { if (it) mattery.slotsChargeFlag.add(slotIndex) else mattery.slotsChargeFlag.remove(slotIndex) } }::accept
 			)
 		}
 	}