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 8d845ee15..a13963a7a 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/menu/MatteryMenu.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/menu/MatteryMenu.kt
@@ -244,10 +244,12 @@ abstract class MatteryMenu(
 				)
 			}
 
-			chargeFlag = Delegate.Of(
-				getter = { slotIndex in mattery.slotsChargeFlag },
-				setter = booleanInput(true) { if (mattery.hasExopack) { if (it) mattery.slotsChargeFlag.add(slotIndex) else mattery.slotsChargeFlag.remove(slotIndex) } }::accept
-			)
+			if (mattery.hasExopack) {
+				chargeFlag = Delegate.Of(
+					getter = { slotIndex in mattery.slotsChargeFlag },
+					setter = booleanInput(true) { if (mattery.hasExopack) { if (it) mattery.slotsChargeFlag.add(slotIndex) else mattery.slotsChargeFlag.remove(slotIndex) } }::accept
+				)
+			}
 		}
 	}